Shorobura, Inna. “The Periodization of Establishment and Development of School Geographical Education (ХІХ-ХХ Centuries)”. Pedagogical Discourse0, no. 15 (October 7, 2013): 758-763. Accessed November 5, 2024. http://ojs.kgpa.km.ua/index.php/peddiscourse/article/view/955.