Sansyzbayeva A, Daiyrbekov S, Zhadrayeva L, Kadirbayeva R, Sansyzbayev A. Methods of teaching school students to solve systems of equations and inequalities in the conditions of digitalisation of education. CJES [Internet]. 2022 Aug. 31 [cited 2024 Nov. 22];17(8):2680-91. Available from: https://un-pub.eu/ojs/index.php/cjes/article/view/7820