Febrianti, F. D., and F. . Lidyatami Radja. “Analysis of the Implementation of ISO 9001: 2015 Quality Management System to Improve Service Quality (Case Study at Sea Shipload Expedition Company in Waingapu)”. International Journal of Science and Environment (IJSE), vol. 5, no. 4, Nov. 2025, pp. 223-8, doi:10.51601/ijse.v5i4.266.