Lubis, Yusrizal, and Diana Suita. “KAJIAN PERBANDINGAN OPTIMALISASI PENJADWALAN DAN BIAYA PROYEK DENGAN METODE LEAST COST SCHEDULING”. Jurnal Simetri Rekayasa 2, no. 2 (October 30, 2020): 154–159. Accessed October 7, 2025. https://jurnal.harapan.ac.id/index.php/JSR/article/view/680.