Ogbonnaya, I. C., Mji, A., Mafa-Theledi, O. N., & Ngulube, B. (2020). ECONOMICS TEACHERS’ USE OF TOPIC SPECIFIC PEDAGOGICAL CONTENT KNOWLEDGE IN TEACHING MARKET DYNAMICS. 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/20.78.371

Bencsik, A., & Trunkos, I. (2009). ECONOMIC CHANGES DEMAND TO MOVE FROM LIFE LONG LEARNING TO LIFE WIDE LEARNING. 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/2014/457-1395386623.pdf

Ozuna Beltran, G. A., Nuñez Ramírez, A. M., Vázquez Jiménez, L. I., & Velarde Flores, L. C. (2020). ECONOMIC ATTITUDES AND PERCEPTIONS OF POVERTY IN INDIGENOUS COLLEGE STUDENTS IN MEXICO FROM THE INTERCULTURAL APPROACH. 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/20.78.263

Lamanauskas, V. (2010). ECOLOGY EDUCATION AS AN INTEGRAL COMPONENT OF PRIMARY NATURAL SCIENCE EDUCATION: SOME RELEVANT ISSUES. 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/2014/457-1400135375.pdf

Lamanauskas, V. (2010). ECOLOGIZATION OF THE WORLD OUTLOOK AS THE KEY PURPOSE OF EDUCATIONAL PRACTICE. Problems of Education in the 21st Century, Problems of Education in the 21st Century, 26. presented at the November/2010. Retrieved from https://journals.indexcopernicus.com/search/article?articleId=2594254

Bernard, P., Broś, P., & Migdał-Mikuli, A. (2011). E-ASSESSMENT OF STUDENTS BASED ON PERSONAL RESPONSE SYSTEM. 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=968796

José Domingo Villarroel. (2012). AN EARLY UNDERSTANDING OF MECHANISM OF RAINFALL: A STUDY EXAMINING THE DIFFERENCES BETWEEN YOUNG MINORITY IMMIGRANT AND NATIVE-BORN CHILDREN. 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/12.47.152

Kos, M., Šuperger, B., & Jerman, J. (2015). EARLY SCIENCE OUTDOORS: LEARNING ABOUT TREES IN THE PRESCHOOL PERIOD. Problems of Education in the 21st Century, Problems of Education in the 21st Century, 64, Discontinuous. presented at the April/2015. doi:https://doi.org/10.33225/pec/15.64.24

Claudia Valentina Assumpção Gallian, & Arroio, A. (2012). EARLY SCIENCE EDUCATION AND ITS RELEVANCE. Problems of Education in the 21st Century, Problems of Education in the 21st Century, 45. presented at the July/2012. doi:https://doi.org/10.33225/pec/12.45.04

Ozturk, Y., & Gangal, M. (2022). EARLY CHILDHOOD STUDENT TEACHING PRACTICUM IN TURKEY THROUGH EMERGENCY REMOTE TEACHING DURING THE COVID-19 PANDEMIC . 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/22.80.438