Vaganova, O. I., Vinnikova, I. S., Sundeeva, L. A., Kutepov, M. M. y Popkova, A. A. (2020) «Development of professional-pedagogical focus of a teacher in vocational training», Amazonia Investiga, 9(25), pp. 350–355. Disponible en: https://amazoniainvestiga.info/index.php/amazonia/article/view/1079 (Accedido: 14 enero 2026).