Aidarova, A. B., Esentaeva А. А., & Dosmuratova, E. E. (2015). Analysis of modern condition ofpurebredcattle in program «Sybaga» of Republic of Kazakhstan. Journal of Economic Research &Amp; Business Administration, 105(5), 74–80. Retrieved from https://be.kaznu.kz/index.php/math/article/view/471