Pham Thi Bich Thu, and Thi Phuong Trinh. “IMPROVING THE CONTROL OF SERVICE DELIVERY – CASH COLLECTION CYCLE AT THE BUSINESS CENTER – VNPT THANH HOA”. Hong Duc University Journal of Science 83, no. 1 (January 30, 2026): 50-62. Accessed April 15, 2026. https://hdujs.edu.vn/index.php/hdujs/article/view/889.