Lamanauskas, V. (2026). ENVIRONMENTAL EDUCATION IN PRESCHOOL AGE AS AN EDUCATIONAL PRIORITY. Problems of Education in the 21st Century, Problems of Education in the 21st Century, 84(2), Continuous. presented at the April/2026. doi:https://doi.org/10.33225/pec/26.84.254

Horak, R., Major, L., Halasi, S., Vukov Raffai, E., Samu, J., & Pinter Krekic, V. (2025). SUSTAINABILITY EDUCATION AND ENVIRONMENTAL ATTITUDES IN MINORITY TEACHER TRAINING: A CASE FROM SERBIA. Problems of Education in the 21st Century, Problems of Education in the 21st Century, 83(6), continuous. presented at the December/2025. doi:https://doi.org/10.33225/pec/25.83.766

Ige, O. A., Jita, L. C., & Jita, T. (2019). MAJOR PERSONALITY TRAITS INFLUENCING ENVIRONMENTAL KNOWLEDGE: A CASE OF URBAN LEARNING ECOLOGIES. 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/19.77.39

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

Kärkkäinen, S., Haukipuro, L., Rummukainen, A. - M., Keinonen, T., & Simola, H. (2013). ENVIRONMENTAL RESPONSIBILITY: A CASE STUDY AMONG SIXTH GRADERS. Problems of Education in the 21st Century, Problems of Education in the 21st Century, 54. presented at the June/2013. doi:https://doi.org/10.33225/pec/13.54.22

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

Kärkkäinen, S. (2012). HOW DO ANIMALS SPEND THE WINTER? A FINNISH STUDY ON THE USE OF VEE HEURISTICS IN A BIOLOGY UNIT FOR EIGHTH GRADERS. 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/12.47.69

Dzurišinová, Z., & Prokša, M. (2011). ANALYSIS OF EXPERIENCE IN ENVIRONMENTAL PROJECT TEACHING USING ESSAY AS A FEEDBACK. 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=968801

Keinonen, T., & Kärkkäinen, S. (2010). UNIVERSITY STUDENTS’ ARGUMENTATION IN SCIENCE AND ENVIRONMENTAL EDUCATION. 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/2014/457-1400515358.pdf

Papotnik, A. (2009). PROBLEMS ENVIRONMENTAL EDUCATION CONNECTED WITH TECHNIC AND TECHNOLOGY. Problems of Education in the 21st Century , Problems of Education in the 21st Century , 14. presented at the October/2009. Retrieved from http://oaji.net/articles/2014/457-1393668671.pdf