Madina Jamankarayeva, R. K. A. A., B. Issabek, and A. Ibashova. “The Development of the Informational and Communication Subject Environment for the Future Mathematics Teacher”. Opción, Vol. 35, Dec. 2019, pp. 1023-42, https://produccioncientifica.luz.edu.ve/index.php/opcion/article/view/30097.