Bida, O., & Prokopenko, L. (2014). Korczak Janusz, Makarenko Anton, Zaharenko Olexandr – Knights of Humane Pedagogy. Journal of Vasyl Stefanyk Precarpathian National University, 1(2-3), 263–266. https://doi.org/10.15330/jpnu.1.2-3.263-266