Franzenburg, G. (2015). ‘WHEN YOUR SON ASKS YOU’.. HOW REMEMBRANCE CAN TEACH LIFE-SATISFACTION. Problems of Education in the 21st Century, Problems of Education in the 21st Century, 65, Discontinuous. presented at the June/2015. doi:https://doi.org/10.33225/pec/15.65.66

Ferreira, C., Baptista, M., & Arroio, A. (2011). VISUAL TOOLS IN TEACHING LEARNING SEQUENCES FOR SCIENCE EDUCATION. Problems of Education in the 21st Century, Problems of Education in the 21st Century, 37. presented at the December/2011. doi:https://doi.org/10.33225/pec/11.37.48

Ayres, C., Ferreira, C., & Arroio, A. (2010). THE USAGE OF A SIMULATION TO STUDY INTERMOLECULAR FORCES: SOME FINDINGS. Problems of Education in the 21st Century , Problems of Education in the 21st Century , 24. presented at the October/2010. Retrieved from https://journals.indexcopernicus.com/search/article?articleId=2594528

Snape, P., & Fox-Turnbull, W. (2011). TWENTY-FIRST CENTURY LEARNING AND TECHNOLOGY EDUCATION NEXUS. Problems of Education in the 21st Century, Problems of Education in the 21st Century, 34. presented at the October/2011. doi:https://doi.org/10.33225/pec/11.34.149

Bauerová, M., Čeretková, S., Sandanusová, A., & Frantová, P. (2007). TRANSFORMATION PROCESS IN SCIENCE AND MATHS TEACHER EDUCATION (EXAMPLES FROM SLOVAKIA). Problems of Education in the 21st Century , Problems of Education in the 21st Century , 1. presented at the August/2007. Retrieved from http://oaji.net/articles/2014/457-1392217485.pdf

Furió-Más, C., Solbes-Matarredona, J., & Furió-Gómez, C. (2008). TOWARDS A PROPOSAL FOR EFFECTIVE ONGOING TRAINING PROGRAMMES FOR SCIENCE TEACHERS. Problems of Education in the 21st Century , Problems of Education in the 21st Century , 6. presented at the May/2008. Retrieved from http://oaji.net/articles/2014/457-1392233272.pdf

Furió-Más, C., Solbes-Matarredona, J., & Furió-Gómez, C. (2008). TOWARDS A PROPOSAL FOR EFFECTIVE ONGOING TRAINING PROGRAMMES FOR SCIENCE TEACHERS. Problems of Education in the 21st Century , Problems of Education in the 21st Century , 6. presented at the May/2008. Retrieved from http://oaji.net/articles/2014/457-1392233272.pdf

Gavrilina, M., & Filina, O. (2009). TO THE QUESTION ON CREATION OF RUSSIAN AND LITERATURES TEXTBOOKS IN DIASPORA. Problems of Education in the 21st Century , Problems of Education in the 21st Century , 18. presented at the December/2009. Retrieved from http://oaji.net/articles/2014/457-1399916467.pdf

Ferentinou, A., Papalexopoulos, P. F., & Vavougios, D. (2009). TEACHING MECHANICS TO STUDENTS WITH LEARNING DISABILI-TIES: A CASE STUDY IN GREECE. Problems of Education in the 21st Century , Problems of Education in the 21st Century , 15. presented at the November/2009. Retrieved from http://oaji.net/articles/2014/457-1395386885.pdf

Ferreira, C., & Arroio, A. (2009). TEACHER’S EDUCATION AND THE USE OF VISUALIZATIONS IN CHEMISTRY INSTRUCTION. Problems of Education in the 21st Century , Problems of Education in the 21st Century , 16. presented at the November/2009. Retrieved from http://oaji.net/articles/2014/457-1396707155.pdf

Mika, J., & Farkas, A. (2017). ON SYNERGIES AND CONFLICTS BETWEEN THE SUSTAINABLE DEVELOPMENT GOALS (2016-2030) AND RENEWABLE ENERGY SOURCES FOR EDUCATION OF AND BY SUSTAINABILITY. Problems of Education in the 21st Century, Problems of Education in the 21st Century, 75(2), Continuous. presented at the April/2017. doi:https://doi.org/10.33225/pec/17.75.182

Falicoff, C. B., Castiñeiras, J. M. D., & Odetti, H. S. (2014). SCIENCE COMPETENCY OF ARGENTINIAN UNIVERSITY STUDENTS IN THE FIRST YEAR OF BIOCHEMISTRY AND BIOTECHNOLOGY COURSES. Problems of Education in the 21st Century, Problems of Education in the 21st Century, 62, Discontinuous. presented at the December/2014. doi:https://doi.org/10.33225/pec/14.62.29

Nikitina, L., Mar, M. T. C., & Furuoka, F. (2018). RUSSIAN LANGUAGE NEEDS AMONG UNIVERSITY STUDENTS IN MALAYSIA. Problems of Education in the 21st Century, Problems of Education in the 21st Century, 76(5), Continuous. presented at the October/2018. doi:https://doi.org/10.33225/pec/18.76.693

Aurah, C. M., Koloi-Keaikitse, S., Isaacs, C., & Finch, H. (2011). THE ROLE OF METACOGNITION IN EVERYDAY PROBLEM SOLVING AMONG PRIMARY STUDENTS IN KENYA. Problems of Education in the 21st Century, Problems of Education in the 21st Century, 30. presented at the May/2011. doi:https://doi.org/10.33225/pec/11.30.09

Freddano, M., & Diana, P. (2012). THE ROLE OF ICT TO RAISE STUDENTS’ ACHIEVEMENT IN ITALIAN TECHNICAL AND PROFESSIONAL SCHOOLS. Problems of Education in the 21st Century, Problems of Education in the 21st Century, 49. presented at the December/2012. doi:https://doi.org/10.33225/pec/12.49.15

Farías, D. M., & Arroio, A. (2012). THE ROLE OF BIOGRAPHIES IN CHEMISTRY EDUCATION AND ITS CONTRIBUTION TO UNDERSTANDING HOW SCIENTISTS AND SCIENCE WORKS. Problems of Education in the 21st Century, Problems of Education in the 21st Century. presented at the December/2012. Retrieved from http://journals.indexcopernicus.com/abstracted.php?level=5&icid=1025544

Farías, D. M., & Arroio, A. (2012). THE ROLE OF BIOGRAPHIES IN CHEMISTRY EDUCATION AND ITS CONTRIBUTION TO UNDERSTANDING HOW SCIENTISTS AND SCIENCE WORKS. Problems of Education in the 21st Century, Problems of Education in the 21st Century, 50, Discontinuous. presented at the December/2012. doi:https://doi.org/10.33225/pec/12.50.14

Nogueira, K. S. C., & Fernandez, C. (2018). THE RELIABILITY OF AN INSTRUMENT TO MEASURE TEACHER KNOWLEDGE FROM THE PERSPECTIVE OF LEARNERS IN THE CONTEXT OF PIBID. Problems of Education in the 21st Century, Problems of Education in the 21st Century, 76(1), Continuous. presented at the February/2018. doi:https://doi.org/10.33225/pec/18.76.69

Fallah, R., Chalak, A., & Heidari Tabrizi, H. (2021). RECONSTRUCTION OF IRANIAN ENGLISH FOREIGN LANGUAGE TEACHERS’ PROFESSIONAL IDENTITY IN ONLINE CLASSES. Problems of Education in the 21st Century, Problems of Education in the 21st Century, 79(6), Continuous. presented at the December/2021. doi:https://doi.org/10.33225/pec/21.79.858

de los Fanaro, M. Á., Otero, M. R., & Arlego, M. (2012). A PROPOSAL TO TEACH LIGHT IN A UNIFIED FRAMEWORK USING THE FEYNMAN METHOD. Problems of Education in the 21st Century, Problems of Education in the 21st Century, 47. presented at the November/2012. doi:https://doi.org/10.33225/pec/12.47.27

Kurt, A. Aşkım, & Firat, M. (2012). PRESERVICE INFORMATION TECHNOLOGY TEACHERS’ INTERNET USAGE PROBLEMATIC: INTERNET INFORMATION POLLUTION. Problems of Education in the 21st Century, Problems of Education in the 21st Century, 41. presented at the April/2012. doi:https://doi.org/10.33225/pec/12.41.28

Fernández, L. M. S., Sanz, C. C., & Miguel Angel Nogueira Pérez. (2012). THE PRESENCE OF ICT IN VOCATIONAL GUIDANCE: A TRAINING PROPOSAL. Problems of Education in the 21st Century, Problems of Education in the 21st Century, 44. presented at the July/2012. doi:https://doi.org/10.33225/pec/12.44.73

Arroio, A., & Farías, D. M. (2011). POSSIBLE CONTRIBUTIONS OF CINEMA IN NATURAL SCIENCE EDUCATION TO UNDERSTAND HOW SCIENTISTS AND SCIENCE WORKS. Problems of Education in the 21st Century, Problems of Education in the 21st Century, 37. presented at the December/2011. doi:https://doi.org/10.33225/pec/11.37.18

Guan, M., Fan, X., & Li, J. (2023). PEDAGOGICAL DOCTORAL STUDENTS IN CHINA UNDER PRESSURE: AN EMPIRICAL ANALYSIS OF CSSCI JOURNALS. Problems of Education in the 21st Century, Problems of Education in the 21st Century, 81(4), Continuous. presented at the August/2023. doi:https://doi.org/10.33225/pec/23.81.449

de Freitas, R. T. G., Cicuto, C. A. T., & Pazinato, M. S. (2020). MOTIVATION TO LEARN NATURAL SCIENCES IN THE CONTEXT OF A TRAINING OF TEACHERS COURSE. Problems of Education in the 21st Century, Problems of Education in the 21st Century, 78(3), Continuous. presented at the June/2020. doi:https://doi.org/10.33225/pec/20.78.359