Supriyantony, Edy. “Analisis Efisiensi Pembangunan Infrastruktur PU Di Indonesia: Pendekatan ICOR”. Jurnal Ekonomi dan Bisnis STIE Bisnis Internasional Indonesia (BII) 4, no. 1 (January 11, 2024): 19–30. Accessed March 21, 2026. https://www.e-jurnal.stiebii.ac.id/index.php/jeb/article/view/145.