Білак, Н., Н. Лукашенко, and Ю. Якуба. “AIRLINE ACTIVITY FORECASTING BY REGRESSION MODELS”. Proceedings of National Aviation University 50, no. 1 (April 17, 2012): 40–45. Accessed April 26, 2024. https://jrnl.nau.edu.ua/index.php/visnik/article/view/110.