Нурбаева, Д. ., Нурмухамедова, Ж. ., Ералиев, С. ., & Косанов, Б. . (2021). ABOUT DEVELOPMENT OF STUDENTS ’ THINKING WHEN SOLVING TRIGONOMETRIC EQUATIONS AND INEQUALITIES IN THE SCHOOL ALGEBRA COURSE. Bulletin of Abai KazNPU. Series of Physical and Mathematical Sciences, 69(1), 138–143. Retrieved from https://bulletin-phmath.kaznpu.kz/index.php/ped/article/view/225