Chomczyk, Michał Adam, and Zbigniew Chomczyk. “A Model of a Computerized Information System Based on the UML Language As One of the Elements of the Environmental Management System Optimization Fulfilling the Requirements of the PN-EN ISO14001:2015-09 Standard, in the Context of the Businessperformance”. Management and Administration Journal 40, no. 113 (May 12, 2019): 21–34. Accessed January 5, 2025. https://czasopisma.uws.edu.pl/znadministracja/article/view/319.