Balancing Service Level Agreement and Costs in Service Operations: A Goal Programming Model. Int J Sci Res Sci & Technol [Internet]. 2025 Apr. 25 [cited 2025 Jul. 29];12(2):1137-51. Available from: https://www.ijsrst.technoscienceacademy.com/index.php/home/article/view/IJSRST251222671