Рева, О.М., and О.В. Сіроштан. “Comprehensive Assessment Hierarchy Views of Students - the Managers Regarding the Difficulty of Subjects”. Proceedings of Kyiv Aviation Institute. Series: Pedagogy. Psychology 2, no. 2 (September 6, 2012): 1. Accessed October 22, 2026. https://jrnl.kai.edu.ua/index.php/VisnikPP/article/view/2123.