Sembiring, Muhammad Simba, Dedy Suryadi, and Rahmawaty Arifiani. 2022. “EFFICIENCY ANALYSIS OF BUILDING PROCUREMENT AND MANAGEMENT PLAN USING THE LIFE CYCLE COSTING METHOD”. Jurnal Ekonomi 11 (02):1538-44. https://ejournal.seaninstitute.or.id/index.php/Ekonomi/article/view/1509.