Gumenna-Derij, Marija, and Petro Gumennyi. “The Systematic Approach to Metering and Its Automation in Enterprises With Alternative Energy Sources”. Herald of Economics, no. 4(94) (December 3, 2019): 90–102. Accessed November 24, 2024. https://visnykj.wunu.edu.ua/index.php/htneu/article/view/1056.