Булгакова, Н. Б., and Т. І. Довговодько. “Regional Psychological Characteristics of Foreign Students of Preparatory Faculty”. Proceedings of Kyiv Aviation Institute. Series: Pedagogy. Psychology 1, no. 5 (September 16, 2014): 31. Accessed June 13, 2026. http://jrnl.kai.edu.ua/index.php/VisnikPP/article/view/10166.