“Cost Model Estimasi Konseptual Untuk Bangunan Gedung Rumah Sakit”. Journal of Research and Inovation in Civil Engineering as Applied Science (RIGID) 4, no. 2 (July 14, 2025): 65–70. Accessed December 11, 2025. https://jurnal.politap.ac.id/index.php/rigid/article/view/1761.