Berenika Mbulu, Yudita, and Ikhwan Kholid. “Evaluation of Complaint Handling: Case Study of Cashier Section PT Surabaya Industrial Estate Rungkut”. International Journal of Science and Environment (IJSE) 5, no. 3 (August 8, 2025): 417–419. Accessed August 19, 2025. https://ijsenet.com/index.php/IJSE/article/view/203.