Antonets N. Features of Development of the System of Secondary Schools Educational Establishments on Liberated from German Occupation Territory of the Ukrainian SSR: to the Question about the Sources of Research. PD [Internet]. 2013Oct.10 [cited 2024Nov.23];0(15):17-1. Available from: https://ojs.kgpa.km.ua/index.php/peddiscourse/article/view/583