Chomczyk MA, Chomczyk Z. 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. MAJ. 2019;40(113):21-34. Accessed December 22, 2024. https://czasopisma.uph.edu.pl/znadministracja/article/view/319