Nagornyi, Ye., et al. “FORMALIZATION OF THE PROBLEM OF CHOICE OF TRANSPORT-FORWARDING SERVICE TECHNOLOGY OF FREIGHT OWNERS IN INTERCITY: Array”. Municipal Economy of Cities. Series: «Economy Science», vol. 6, no. 152, Dec. 2019, pp. 185-90, https://khges.kname.edu.ua/index.php/khges/article/view/5511.