Toomsalu, L. M., Yarovova, T. V., Vinogradova, M. V. y Nikitina, N. I. (2019) «Studying the Effectiveness of Teacher Training in Organization of Open Education», Amazonia Investiga, 8(24), pp. 306–314. Disponible en: https://www.amazoniainvestiga.info/index.php/amazonia/article/view/988 (Accedido: 12 noviembre 2025).