Serbenyuk, Symon. β€œOn Some Aspects of the Examination in Econometrics ”. Journal of Vasyl Stefanyk Precarpathian National University 8, no. 3 (November 3, 2021): 7–16. Accessed November 21, 2024. https://journals.pnu.edu.ua/index.php/jpnu/article/view/5439.