Telaumbanua, A.P., Lahagu, P. and Waruwu, E. 2026. Implementation of a Monitoring and Evaluation System to Improve the Efficiency of Goods Delivery at Ninja Express in Gunungsitoli City. JURNAL ECONOMINA. 5, 7 (Jul. 2026), 4161–4174. DOI:https://doi.org/10.55681/economina.v5i7.3296.