Mykyteychuk, Khrystyna, and Valentyna Zvozdetska. “Diagnostic Methods on the Study of Children at the School Preparation Stage in Poland”. Pedagogical Discourse, no. 28 (June 12, 2020): 55-61. Accessed April 19, 2024. http://ojs.kgpa.km.ua/index.php/peddiscourse/article/view/1059.