Ilyashenko, L. K., Vaganova, O. I., Smirnova, Z. V., Kutepova, L. I., & Kutepov, M. M. (2020). Educational system management improvement in a secondary education organization. ReligaciĆ³n, 4(14), 222-231. Retrieved from https://revista.religacion.com/index.php/religacion/article/view/255