CUSTOMER PROFITABILITY ANALYSIS BASIS ON ACTIVITIES AND ITS ROLE IN COST MANAGEMENT AND OPERATIONAL PERFORMANCE IMPROVEMENT: APPLIED STUDY IN GENERAL COMPANY FOR ELECTRICAL INDUSTRIES / AIR-COOLED ENGINES FACTORY. Wor.econo. and fin. Bul. [Internet]. 2023 Feb. 14 [cited 2026 Apr. 18];19:30-8. Available from: https://www.scholarexpress.net/index.php/wefb/article/view/2189