Milyardi, Roi, Indra Koheru, and Cindrawaty Lesmana. “Evaluation of Procurement Process on Ethanol Factory Construction – Lampung”. Journal of Innovation and Community Engagement 1, no. 1 (March 10, 2021): 49–59. Accessed May 1, 2024. https://journal.maranatha.edu/index.php/ice/article/view/3366.