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Balachevskaya, O., Sheldeshov, N., & Litvinova, Т. (2007). APPLYING OF THE COMPONENT ANALYSES IN COMBINATION WITH NONPARAMETRIC CRITERIA FOR STATISTICAL PROCESSING OF THE RESULTS OF EMPIRICAL RESEARCH. Problems of Education in the 21st Century , Problems of Education in the 21st Century , 2. presented at the September/2007. Retrieved from http://oaji.net/articles/2014/457-1392219699.pdf

Valentin Cosmin Blândul. (2009). APPLICATIONS OF INTERACTIVE DIDACTIC EVALUATION IN PRE–ACADEMIC LEARNING SYSTEM. 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/2014/457-1399914030.pdf

Valentin Cosmin Blândul. (2013). ANALYZING THE NEED FOR USING DIDACTIC STRATEGIES SPECIFIC TO NON-FORMAL EDUCATION IN THE CONTINUED PROFESSIONAL TRAINING OF TEACHERS – A CASE STUDY FROM BIHOR COUNTY, ROMANIA. Problems of Education in the 21st Century, Problems of Education in the 21st Century, 56, Discontinuous. presented at the November/2013. doi:https://doi.org/10.33225/pec/13.56.08

Bilbokaitė, R. (2008). ANALYSIS OF VISUAL THINKING MEANING IN SCIENCE EDUCATION. 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/2014/457-1392222464.pdf

Sharvashidze, N., & Bryant, M. (2011). ADULT EDUCATION IN PRACTICE: TEACHER TRAINING AND ITS POTENTIAL FOR CHANGING SCHOOL TEACHERS THROUGH ADULT LEARNING. Problems of Education in the 21st Century, Problems of Education in the 21st Century, 29. presented at the May/2011. Retrieved from https://oaji.net/articles/2014/457-1405178898.pdf

Manuel, A. A. M., Buque, D., & Quive, R. (2017). ADULT EDUCATION IN MOZAMBIQUE: BETWEEN EXPECTATIONS AND POSSIBILITIES. 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/17.75.581

Addido, J., Burrows, A. C., & Slater, T. F. (2022). ADDRESSING PRE-SERVICE TEACHERS’ MISCONCEPTIONS AND PROMOTING CONCEPTUAL UNDERSTANDING THROUGH THE CONCEPTUAL CHANGE MODEL. Problems of Education in the 21st Century, Problems of Education in the 21st Century, 80(4), Continuous. presented at the August/2022. doi:https://doi.org/10.33225/pec/22.80.499

Brandmo, C., Tiplic, D., & Elstad, E. (2014). THE ACHIEVEMENT GOAL THEORY AS AN APPROACH TO STUDY SCHOOL PRINCIPALS’ LEADERSHIP MOTIVATION. 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/14.58.27

Mwanyumba Tweni, F., Wamocha, L., & Buhere, P. (2022). ACADEMIC OUTCOMES OF HOMESCHOOLED VERSUS CONVENTIONALLY SCHOOLED CHILDREN PURSUING THE ACCELERATED CHRISTIAN EDUCATION CURRICULUM IN KENYA. Problems of Education in the 21st Century, Problems of Education in the 21st Century, 80(3), Continuous. presented at the June/2022. doi:https://doi.org/10.33225/pec/22.80.474

Bilianska, M., & Yaroshenko, O. (2020). ABILITY TO FOSTER SCHOOLCHILDREN’S ECOLOGICAL LITERACY AS A RESULT OF PROSPECTIVE BIOLOGY TEACHERS’ PROFESSIONAL TRAINING. Problems of Education in the 21st Century, Problems of Education in the 21st Century, 78(6), Continuous. presented at the December/2020. doi:https://doi.org/10.33225/pec/20.78.907