Babich В. APPLICATION OF ECONOMETRIC METHODS IN OPERATIONAL PLANNING. Bulletin of Abai KazNPU. Series of Physical and mathematical sciences, Almaty, Kazakhstan, v. 71, n. 3, p. 45–51, 2020. DOI: 10.51889/2020-3.1728-7901.06. Disponível em: https://bulletin-phmath.kaznpu.kz/index.php/ped/article/view/20. Acesso em: 10 apr. 2025.