Pham Thi Bich Thu, and Thi Phuong Trinh. 2026. “IMPROVING THE CONTROL OF SERVICE DELIVERY – CASH COLLECTION CYCLE AT THE BUSINESS CENTER – VNPT THANH HOA”. Hong Duc University Journal of Science 83 (1):50-62. https://doi.org/10.70117/hdujs.83.1.2026.889.