Zhekibayeva, B., Kalimova, A., Sarsekeyeva, Z., Ossipova, S. and Zhukenova, G. (2020) “Research on Integrated Learning upon Enhancing Cognitive Activity in Primary School”, Journal of Intellectual Disability - Diagnosis and Treatment, 8(3), pp. 396–405. doi: 10.6000/2292-2598.2020.08.03.16.