Red’ko В. Г. . “WHAT KIND OF TRAINING LITERATURE IN FOREIGN LANGUAGES IS NECESSARY FOR A MODERN PUPIL: THE RESULTS OF THE ANALYSIS OF THE CONTENT OF TEXTBOOKS FOR THE PRIMARY SCHOOL”. Problems of the Modern Textbook, no. 15, Dec. 2015, pp. 198-0, https://ipvid.org.ua/index.php/psp/article/view/497.