Syzdykova ., K. Sh., A. M. Alshynbay., and E. A. Aktureyeva. “Marketing Information System in the Agricultural Service”. Journal of Economic Research & Business Administration 113, no. 1 (July 4, 2016). Accessed December 4, 2024. https://be.kaznu.kz/index.php/math/article/view/1161.