G. Utomo, I. Hendriyani, and S. N. Aida, “Evaluasi Pelaksanaan Proyek Drainase Dengan Metode CPM Dan PERT: Drainage Project Implementation Evaluation With The CPM And PERT Method”, n.a. ilm. teknik n.a., vol. 9, no. 1, pp. 44–52, Dec. 2020.