Устенко, А. О., & Малинка, О. Я. (2018). Target Subsystem of a Management System and Its Assessment. Scientific Bulletin of Ivano-Frankivsk National Technical University of Oil and Gas (Series: Economics and Management in the Oil and Gas Industry), 2(14), 132–137. Retrieved from https://eung.nung.edu.ua/index.php/ecom/article/view/39