A. Sansyzbayeva, S. Daiyrbekov, L. Zhadrayeva, R. Kadirbayeva, and A. . Sansyzbayev, “Methods of teaching school students to solve systems of equations and inequalities in the conditions of digitalisation of education”, CJES, vol. 17, no. 8, pp. 2680–2691, Aug. 2022.