Mangampa, Milenia Inri S., et al. “Analisis Contract Change Order Terhadap Waktu Pada ProyekPembangunan Stasiun Kereta Api Makassar-Pare Pare”. Paulus Civil Engineering Journal, vol. 4, no. 3, Jan. 2024, pp. 444-51, https://doi.org/10.52722/mc644c34.