ZHUMATAYEVA G.; NURGALIEVA M.; BAIBURAEVA ZH.; MUSABYAEV B.; ZHANBIROV ZH.; TARAN I. FEATURES OF DETERMINING THE COST OF TRANSPORT SERVICES . «Доклады НАН РК», [S. l.], n. 2, p. 73–80, 2020. Disponível em: http://189185.vm7pq.group/reports-science/article/view/746. Acesso em: 30 янв. 2025.