Oktrima, Bulan. “Evaluasi Waktu Penyelesaian Proyek Dengan Metode PERT (Project Evaluation and Review Technique) Di PT.ConcoPhillips Indonesia (Suban Tie In,April 1-2,2006)”. Jurnal Saintika Unpam : Jurnal Sains dan Matematika Unpam 1, no. 1 (August 3, 2018): 98–107. Accessed April 9, 2025. https://openjournal.unpam.ac.id/index.php/jsmu/article/view/1606.