Hassan, S., Li, F., Sahak, M. F., Perumal, M., & Ab Ghani, M. Y. (2022). The Successful Implementation of Key Performance Indicator System in a Telecommunications Company. Global Business Management Review (GBMR), 6(Special Issue), 95–110. Retrieved from https://e-journal.uum.edu.my/index.php/gbmr/article/view/16944