Саєнко T. В. “THEORETICAL AND METHODOLOGICAL BASIS OF ENVIRONMENTAL TRAINING AT HIGHER EDUCATIONAL INSTITUTIONS”. Proceedings of Kyiv Aviation Institute. Series: Pedagogy. Psychology 1, no. 5 (September 16, 2014): 117. Accessed June 13, 2026. http://jrnl.kai.edu.ua/index.php/VisnikPP/article/view/10153.