Silva, M. J., Lopes, J. B., & Silva, A. A. (2013). USING SENSES AND SENSORS IN THE ENVIRONMENT TO DEVELOP ABSTRACT THINKING – A THEORETICAL AND INSTRUMENTAL FRAMEWORK. Problems of Education in the 21st Century, Problems of Education in the 21st Century, 53. presented at the April/2013. doi:https://doi.org/10.33225/pec/13.53.99

da Breganha, M. G., da Lopes, B. S., & Costa, N. (2018). USING STUDENTS’ VOICE TOWARDS QUALITY IMPROVEMENT OF ANGOLAN SECONDARY PHYSIC CLASSES. Problems of Education in the 21st Century, Problems of Education in the 21st Century, 76(3), Continuous. presented at the June/2018. doi:https://doi.org/10.33225/pec/18.76.289

Çalık, M. (2021). USING THE COVID-19 PANDEMIC AS A SOCIOSCIENTIFIC ISSUE TO SUPPORT THE SCIENTIFIC HABITS OF MIND. Problems of Education in the 21st Century, Problems of Education in the 21st Century, 79(5), Continuous. presented at the October/2021. doi:https://doi.org/10.33225/pec/21.79.694

Davidovitch, N., & Druckman, E. (2017). UTILIZATION OF LEISURE TIME AND ACADEMIC CAREERS: A MULTIDISCIPLINARY GENDER PERSPECTIVE. Problems of Education in the 21st Century, Problems of Education in the 21st Century, 75(5), Continuous. presented at the October/2017. doi:https://doi.org/10.33225/pec/17.75.452

Schröttner, B. (2008). THE VALUE OF DATA IN ETHNOGRAPHICAL RESEARCH. Problems of Education in the 21st Century , Problems of Education in the 21st Century , 7. presented at the June/2008. Retrieved from http://oaji.net/articles/2014/457-1392235470.pdf

Arroio, A. (2020). THE VALUE OF EDUCATION IN THE CONTEXT OF COVID-19 PANDEMIC. 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/20.78.309

Holmqvist, M., & Mattisson, J. (2008). VARIATION THEORY: A TOOL TO ANALYSE AND DEVELOP LEARNING AT SCHOOL. Problems of Education in the 21st Century , Problems of Education in the 21st Century , 7. presented at the June/2008. Retrieved from http://oaji.net/articles/2014/457-1392234817.pdf

Dimova, Y., Angelova, T., & Roussev, E. (2009). VERBAL ASSOCIATIONS OF BULGARIAN TEENAGERS FOR ‘NATURE’. Problems of Education in the 21st Century , Problems of Education in the 21st Century , 11. presented at the May/2009. Retrieved from http://oaji.net/articles/2014/457-1392408208.pdf

Colagrande, E. A., de Martorano, S. A. A., & Arroio, A. (2017). VIEWS OF A GROUP OF PRE-SERVICE SCIENCE TEACHERS ON THE USE OF EXPERIMENTAL ACTIVITIES IN SCIENCE TEACHING. Problems of Education in the 21st Century, Problems of Education in the 21st Century, 75(6), Continuous. presented at the December/2017. doi:https://doi.org/10.33225/pec/17.75.525

Soares, M., & Machado, L. (2014). VIOLENCE AGAINST TEACHERS: SPEECHES FROM BRAZILIAN’S DIGITAL MEDIA. Problems of Education in the 21st Century, Problems of Education in the 21st Century, 58, Discontinuous. presented at the March/2014. doi:https://doi.org/10.33225/pec/14.58.144

Silva, A. B., Abrantes, C., Oliveira, E., Chumbo, C., Silva, A. A., & Silva, M. J. (2010). VIRTUAL AND PHYSICAL RESOURCES: A CASE OF SYNERGY IN STUDYING TIDES AND ROTATION. 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=2594531

Bílek, M., Šimonová, I., & Lašek, J. (2010). VIRTUAL LEARNING ENVIRONMENT AS A SUBJECT OF CURRENT RESEARCH PROJECTS AT UNIVERSITY OF HRADEC KRÁLOVÉ. Problems of Education in the 21st Century , Problems of Education in the 21st Century , 23. presented at the July/2010. Retrieved from https://journals.indexcopernicus.com/search/article?articleId=2594592

Schröttner, B. (2008). VISIONARY EDUCATIONAL CONCEPTS FOR GLOBAL CHALLENGES: GLOBAL AND PEACE EDUCATION. Problems of Education in the 21st Century , Problems of Education in the 21st Century , 8. presented at the October/2008. Retrieved from http://oaji.net/articles/2014/457-1392284675.pdf

Kordigel Aberšek, M. (2008). VISUAL LITERACY – ONE OF 21ST CENTURY LITERACIES FOR SCIENCE TEACHING AND LEARNING. Problems of Education in the 21st Century , Problems of Education in the 21st Century , 5. presented at the April/2008. Retrieved from http://oaji.net/articles/2017/457-1503128163.pdf

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

Lakhvich, T. (2012). VISUALISATION-ASSISTED TEACHING: CAN VIRTUAL GIVE RISE TO REAL KNOWLEDGE?. Problems of Education in the 21st Century, Problems of Education in the 21st Century, 42. presented at the May/2012. doi:https://doi.org/10.33225/pec/12.42.05

Bilbokaitė, R. (2009). VISUALIZATION IN SCIENCE EDUCATION: THE RESULTS OF PILOT RESEARCH IN GRADE 10. 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/2014/457-1396706997.pdf

Bussotti, P. (2013). VITTORIO CHECCUCCI AND HIS CONTRIBUTIONS TO MATHEMATICS EDUCATION: A HISTORICAL OVERVIEW. Problems of Education in the 21st Century, Problems of Education in the 21st Century, 53. presented at the April/2013. doi:https://doi.org/10.33225/pec/13.53.22

Rodríguez, F. M. M. (2012). VOCATIONAL APTITUDE FOR YOUNG UNEMPLOYED. 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/12.44.53

Mukminin, A., Habibi, A., Muhaimin,, Asrial,, Haryanto, E., Setiono, P., & Sofyan,. (2019). VOCATIONAL TECHNICAL HIGH SCHOOL TEACHERS’ BELIEFS TOWARDS ICT FOR THE 21ST CENTURY EDUCATION: INDONESIAN CONTEXT. Problems of Education in the 21st Century, Problems of Education in the 21st Century, 77(1), Continuous. presented at the February/2019. doi:https://doi.org/10.33225/pec/19.77.22

Ropič, M., & Kordigel Aberšek, M. (2012). WEB GRAPHIC ORGANIZERS AS AN ADVANCED STRATEGY FOR TEACHING SCIENCE TEXTBOOK READING COMPREHENSION. 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/12.41.87

Baptista, M. (2017). WHAT IS A GOOD PRACTICE OF SCIENCE TEACHING? SOME PATHS. Problems of Education in the 21st Century, Problems of Education in the 21st Century, 75(3), Continuous. presented at the June/2017. doi:https://doi.org/10.33225/pec/17.75.212

Puhek, M., Perše, M., & Šorgo, A. (2012). WHAT IS THE TENDENCY IN BIOLOGY VIRTUAL FIELD TRIPS? THE CASE OF MARIBOR ISLAND TRAIL. Problems of Education in the 21st Century, Problems of Education in the 21st Century, 50. presented at the December/2012. doi:https://doi.org/10.33225/pec/12.50.80

Peltokorpi, E. - L., Määttä, K., & Uusiautti, S. (2011). WHEN A CHILD’S EMOTIONAL COPING FAILS. Problems of Education in the 21st Century, Problems of Education in the 21st Century, 36. presented at the December/2011. doi:https://doi.org/10.33225/pec/11.36.37

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