САБО, Марианна.
METHODOLOGICAL APPROACHES TO THE PEDAGOGICAL RESEARCH OF THE EDUCATIONAL SYSTEM OF THE GULAG.
Bulletin CSU. Education and Healthcare, [S.l.], n. 2(30), p. 9-17, oct. 2025.
ISSN 2409-4102. Available at: <https://journals.csu.ru/index.php/vcsu_eh/article/view/2947>. Date accessed: 12 nov. 2026.