Szerepi, Sándor. “ Survey of the Cognitive Competences about the Disadvantaged Preschool Children in the Counties Borsod-Abaúj-Zemplén, Hajdú-Bihar and Szabolcs-Szatmár-Bereg”. Special Treatment - Interdisciplinary Journal 10, no. 4 (December 27, 2024): 125–133. Accessed December 5, 2025. https://ojs.lib.unideb.hu/kulonlegesbanasmod/article/view/15335.