B. S. Budi Santosa, “E-Commerce Fulfillment Reliability: Quantifying Order Promise Risk Under Inventory Inaccuracy, Pick-Pack Variability, and Carrier Uncertainty”, TECHNE J, vol. 1, no. 4, pp. 70–82, Dec. 2025, Accessed: Mar. 14, 2026. [Online]. Available: https://ejournal.kalampractica.com/index.php/techne/article/view/38