Haliv, Mykola. “Historical and Pedagogical Source and Truth Identification in the Historical and Pedagogical Science (Thoughts in the Light of the Jerzy Topolski’s Views)”. Pedagogical Discourse0, no. 15 (October 10, 2013). Accessed January 21, 2026. https://ojs.kgpa.org.ua/index.php/peddiscourse/article/view/685.