Aleksandrovich Kreydun, Y. y Ivanovna Nekhvyadovich, L. (2019) «Topical Issues of Religious Educational Work of Orthodox Spiritual Mission in Altai In Early 1900s», Opción, 350, pp. 167-177. Disponible en: https://produccioncientifica.luz.edu.ve/index.php/opcion/article/view/27464 (Accedido: 31julio2025).