Honrado, D. ., J. . Navidad, L. . Tagaamo, and M. D. . Tendido. “Satisfaction on the Operation Management of Appeals and Grievance Department at Teleperformance, Vertis North, Quezon City: Vol.4, No.1”. Ascendens Asia Singapore – Bestlink College of the Philippines Journal of Multidisciplinary Research, vol. 4, no. 1, June 2024, https://ojs.aaresearchindex.com/index.php/aasgbcpjmra/article/view/13782.