Mamykova, Zh.D., Nadirbayeva G.М., R.K. Sagiyeva, and Shpak М.N. “Revisiting the Evaluation of the Effectiveness of the Personnel Management System Operation”. Journal of Economic Research & Business Administration 112, no. 6 (April 25, 2016). Accessed November 24, 2024. https://be.kaznu.kz/index.php/math/article/view/1135.