Aidarova, A. B., Esentaeva А. А., and E. E. Dosmuratova. 2015. “Analysis of Modern Condition Ofpurebredcattle in Program «Sybaga» of Republic of Kazakhstan”. Journal of Economic Research &Amp; Business Administration 105 (5):74-80. https://be.kaznu.kz/index.php/math/article/view/471.