Заурбеков, Н., and А. Бодық. “MAPLE AND MATHCAD PROGRAMMING METHODS FOR SOLVING MATH PROBLEMS”. Bulletin of Abai KazNPU. Series of Physical and Mathematical Sciences, vol. 69, no. 1, June 2021, pp. 333-9, https://bulletin-phmath.kaznpu.kz/index.php/ped/article/view/200.