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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

Feller, I., Colin, P., & Viennot, L. (2009). CRITICAL ANALYSIS OF POPULARISATION DOCUMENTS IN THE PHYSICS CLASSROOM: AN ACTION RESEARCH IN GRADE 10. Problems of Education in the 21st Century, Problems of Education in the 21st Century, 17. presented at the November/2009. Retrieved from http://oaji.net/articles/2014/457-1399914586.pdf

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

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

Faremi, Y. A., & Jita, L. C. (2019). ASSESSMENT OF SCIENCE TEACHERS’ CAREER SATISFACTION AND SCHOOL ORGANISATIONAL CLIMATE IN ENHANCING JOB PERFORMANCE IN RURAL LEARNING ECOLOGIES. Problems of Education in the 21st Century, Problems of Education in the 21st Century, 77(2), Continuous. presented at the April/2019. doi:https://doi.org/10.33225/pec/19.77.254

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

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

Falkenberg, T. (2011). KNOWING MATHEMATICS-FOR-TEACHING: THE CASE OF PLANNING LEARNING ACTIVITIES. Problems of Education in the 21st Century, Problems of Education in the 21st Century, 35. presented at the November/2011. Retrieved from http://journals.indexcopernicus.com/abstract.php?icid=968802

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

Evripiotis, M., & Orfanos, V. (2010). THE CONTEMPORARY INFORMATION TECHNOLOGIES IN THE SERVICE OF THE PRIMARY AND SECONDARY EDUCATION: THE CASE OF GREECE. 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=2594594

Eteokleous, N., & Christodoulou, N. (2010). THE PROCESS OF MULTICULTURAL EDUCATION IN A CENTRALIZED AND HOMOGENEOUS EDUCATIONAL SYSTEM. Problems of Education in the 21st Century , Problems of Education in the 21st Century , 21. presented at the June/2010. Retrieved from http://oaji.net/articles/2014/457-1400135650.pdf

Ertem, H. Y. (2021). EXAMINATION OF SYSTEM OF TRANSITION TO UPPER-SECONDARY SCHOOLS FROM LOWER-SECONDARY SCHOOLS IN TERMS OF STUDENT, CLASS, AND SCHOOL LEVEL VARIABLES. Problems of Education in the 21st Century, Problems of Education in the 21st Century, 79(2), Continuous. presented at the April/2021. doi:https://doi.org/10.33225/pec/21.79.194

Ersoy, M., & Dağyar, M. (2022). A MATHEMATICAL PROBLEM-SOLVING PERCEPTION SCALE FOR SECONDARY SCHOOL STUDENTS: A VALIDITY AND RELIABILITY STUDY. Problems of Education in the 21st Century, Problems of Education in the 21st Century, 80(5), Continuous. presented at the October/2022. doi:https://doi.org/10.33225/pec/22.80.693

Eroğlu, E., & Özdemir, S. (2024). THE EFFECT OF MACROSTRUCTURE AND SUPERSTRUCTURE TEACHING ON SUMMARIZATION ACHIEVEMENT. Problems of Education in the 21st Century, Problems of Education in the 21st Century, 82(1), Continuous. presented at the February/2024. doi:https://doi.org/10.33225/pec/24.82.85

Ermolaeva, E. (2008). DECREASE IN THE LEVEL OF SYSTEMATIC THINKING OF PUPILS: REVEALING OF THE TENDENCY AND THE ANALYSIS OF THE INFLUENCING FACTORS. Problems of Education in the 21st Century , Problems of Education in the 21st Century , 4. presented at the February/2008. Retrieved from http://oaji.net/articles/2014/457-1392222947.pdf

Ermolaeva, E. (2011). THE PROBLEM OF DEVELOPMENT OF ABILITIES FOR DIALOGUE WITH THE METAPHORIC INTERLOCUTOR. Problems of Education in the 21st Century, Problems of Education in the 21st Century, 33. presented at the August/2011. doi:https://doi.org/10.33225/pec/11.33.133

Ermenc, K. S., Štefanc, D., & Mažgon, J. (2020). CHALLENGES OF DIFFERENTIATED AND INDIVIDUALIZED TEACHING IN VOCATIONAL EDUCATION: THE CASE OF SLOVENIA. Problems of Education in the 21st Century, Problems of Education in the 21st Century, 78(5), Continuous. presented at the October/2020. doi:https://doi.org/10.33225/pec/20.78.815

Erdem, H., & Akyol, T. (2024). TURKISH PRIMARY SCHOOL STUDENTS’ INVOLVEMENT IN CLASSROOM ACTIVITIES. Problems of Education in the 21st Century, Problems of Education in the 21st Century, 82(1), Continuous. presented at the February/2024. doi:https://doi.org/10.33225/pec/24.82.66

Erdem, E. (2015). THE RELATIONSHIP BETWEEN SELF-EFFICACY AND ATTITUDES OF CHEMISTRY TEACHER CANDIDATES. Problems of Education in the 21st Century, Problems of Education in the 21st Century, 63, Discontinuous. presented at the February/2015. doi:https://doi.org/10.33225/pec/15.63.62

Erdem, E., Özgür, S. D., Bayram, Z., Oskay, Ö. Ö., & Şen, Ş. (2014). SELF-REGULATED LEARNING IN CONSTRUCTIVIST APPROACH BASED SCIENCE LABORATORY PRACTICES AND OPINIONS ON CONSTRUCTIVIST APPROACH. Problems of Education in the 21st Century, Problems of Education in the 21st Century, 59, Discontinuous. presented at the April/2014. doi:https://doi.org/10.33225/pec/14.59.25

Ens, R. T., Bertotti, G. R., & Bertotti, R. G. (2014). INITIAL RESULTS OF A DIFFERENTIATE PROGRAM OF TEACHERS CONTINUING FORMATION IN BRAZIL: THE PDE/PARANA. Problems of Education in the 21st Century, Problems of Education in the 21st Century, 60, Discontinuous. presented at the July/2014. doi:https://doi.org/10.33225/pec/14.60.67

Engvall, M., Samuelsson, J., & Östergren, R. (2020). THE EFFECT ON STUDENTS’ ARITHMETIC SKILLS OF TEACHING TWO DIFFERENTLY STRUCTURED CALCULATION METHODS. Problems of Education in the 21st Century, Problems of Education in the 21st Century, 78(2), Continuous. presented at the April/2020. doi:https://doi.org/10.33225/pec/20.78.167

Emanovský, P. (2015). PROBLEM-BASED LEARNING AND ITS EFFECT ON LEARNERS’ RELATIONSHIPS. Problems of Education in the 21st Century, Problems of Education in the 21st Century, 63, Discontinuous. presented at the February/2015. doi:https://doi.org/10.33225/pec/15.63.53

Emanovský, P., & Břehovský, J. (2010). ON EFFECTIVITY OF INDUCTIVE METHODS IN MATHEMATICAL EDUCATION AT SECONDARY SCHOOL. Problems of Education in the 21st Century , Problems of Education in the 21st Century , 22. presented at the June/2010. Retrieved from http://oaji.net/articles/2014/457-1400515143.pdf