Umbetaliev, N.A., and K.R. Zhaksybaev. “Оrganization and Functioning of Logistics System of Foreign Countries”. BUKETOV BUSINESS REVIEW, vol. 89, no. 1, Mar. 2018, pp. 191-9, https://bbr.buketov.edu.kz/index.php/economy-vestnik/article/view/495.