Александрова, В.О., Є.О. Опарій, and М.Є. Воржеінов. “Hanging the Efficiency of Using the Working Time of Equipment”. E-conomics, no. 1(1) (February 1, 2018). Accessed April 27, 2024. http://e-conomics.hpi.kh.ua/index.php/journal/article/view/17.