FORTUŃSKI B. THE INFLUENCE OF ENYIRONMENTAL MANAGEMENT SYSTEM ACCORDING TO ISO 14001 ON PRO-ENVIRONMENTAL COSTS IN THE ORGANIZATION (A CASE STUDY OF A SERYICES PROVIDING COMPANY DEALING IN THE BRANCH OF ELECTRICAL POWER ENGINEERING). ees [Internet]. 2020 Dec. 18 [cited 2024 Nov. 22];10:195-201. Available from: https://czasopisma.uni.opole.pl/index.php/ees/article/view/3154