Artha, Bhenu, Bahri Bahri, Ardhi Khairi, and Sry Adelina Rajagukguk. “Biaya Operasional Pendapatan Operasional (BOPO): Suatu Telaah Pustaka”. JEMeS - Jurnal Ekonomi Manajemen dan Sosial 5, no. 1 (January 23, 2022): 12–18. Accessed March 23, 2026. https://ojs.ejournalunigoro.com/JEMeS/article/view/290.