ARYSTAMBAEVA, A. Z. The importance of cost optimization of management services of milk processing. Journal of Economic Research & Business Administration, [S. l.], v. 117, n. 5, p. 300–304, 2016. Disponível em: https://be.kaznu.kz/index.php/math/article/view/1498. Acesso em: 21 nov. 2024.