KALINOWSKA-WITEK, B. 2018. Adolescent Academic Overload in Statements of Publicists of “Przegląd Pedagogiczny” from the 1920s. Journal of Education, Technology and Computer Science. 25, 3 (Sep. 2018), 19–24. DOI:https://doi.org/10.15584/eti.2018.3.1.