Spankulova L. S., Kaneva M.A., и Chulanova Z.K. 2020. «DIFFUSION OF INNOVATIONS, KNOWLEDGE SPILLOVERS AND ECONOMIC GROWTH OF THE REGIONS OF KAZAKHSTAN: MUTUAL IMPACT». Scientific Journal of Pedagogy and Economics, вып. 3 (июнь):151-59. http://89.250.84.46/bulletin-science/article/view/484.