Anjelina Margaretha Pajo, M., & Muazaroh, M. (2025). Evaluating The Effectiveness Of Delivery Standard Operating Procedures (Sops): A Case Study At PT Tustika Nagata (2025). International Journal of Science and Environment (IJSE), 5(3), 424–427. https://doi.org/10.51601/ijse.v5i3.204