Elena Burdina, Aiman Nurzhumbayeva, Sanim Kozhayeva, y Zhanna Temerbayeva, Leonid Bulyga. «Diagnostics Of Pedagogical Staff Readiness For Teaching Natural Sciences In English». Opción 35, no. 88 (junio 11, 2019): 321-345. Accedido abril 12, 2025. https://mail.produccioncientificaluz.org/index.php/opcion/article/view/24207.