Kopytkov, D., and G. Samchuk. “STATISTICAL ASSESSMENT OF THE QUESTIONNAIRE SURVEY QUALITY FOR TRANSPORT FATIGUE IN URBAN PASSENGER TRANSPORTATION: Array”. Municipal economy of cities. Series: «Economy science» 6, no. 159 (November 27, 2020): 147–152. Accessed June 15, 2025. https://khges.kname.edu.ua/index.php/khges/article/view/5688.