Malienko Ю. Б. . NEW APPROACHES TO THE DESIGN OF THE CONTENT OF A TEXTBOOK «HISTORY OF MIDDLE AGES» (THE 7TH GRADE). Problems of the modern textbook, [S. l.], n. 15, p. 335–344, 2015. Disponível em: https://ipvid.org.ua/index.php/psp/article/view/475. Acesso em: 18 may. 2024.