Чоха, Ю.М., and О.П. Федорчук. “Technical Evaluation of the Functional Systems of Power Plants Combined Functional Test Method”. Proceedings of National Aviation University 31, no. 1 (January 1, 2007): 146–148. Accessed April 22, 2024. https://jrnl.nau.edu.ua/index.php/visnik/article/view/1455.