Anjelina Margaretha Pajo, M. and 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 (Aug. 2025), 424–427. DOI:https://doi.org/10.51601/ijse.v5i3.204.