Maksimović, Jelena, i Sanja Sretić. 2019. „Principle of Evidence of John Amos Comenius As a Basis for the Development of Pedagogical Research Techniques and Instruments”. Siedleckie Zeszyty Komeniologiczne Seria Pedagogika 6 (grudzień):243-56. https://czasopisma.uph.edu.pl/szk/article/view/1492.