Kosybayeva У.А., Shamataeva Н.К., and Tleubergen А.К. “UPDATING MATHEMATICAL KNOWLEDGE WHEN SOLVING PROBLEMS”. Bulletin of Abai KazNPU. Series of Physical and Mathematical sciences 70, no. 2 (June 30, 2020): 90–96. Accessed September 15, 2026. https://bulletin-phmath.kaznpu.kz/index.php/phmath/article/view/30.