TELAUMBANUA, A. P.; LAHAGU, P.; WARUWU, E. Implementation of a Monitoring and Evaluation System to Improve the Efficiency of Goods Delivery at Ninja Express in Gunungsitoli City. JURNAL ECONOMINA, [S. l.], v. 5, n. 7, p. 4161–4174, 2026. DOI: 10.55681/economina.v5i7.3296. Disponível em: https://ejournal.45mataram.ac.id/index.php/economina/article/view/3296. Acesso em: 5 aug. 2026.