Trenevska Blagoeva K, Pulevska Ivanovska L, Chachorovska M. BUSINESS MODEL FOR COST OPTIMIZATION IN CUSTOMER CARE SECTORS OF TELECOMMUNICATIONS OPERATORS THROUGH DIGITAL TRANSFORMATION. kij [Internet]. 2022 Sep. 30 [cited 2026 May 25];54(1):93-8. Available from: https://ojs.ikm.mk/index.php/kij/article/view/5549