Sarasanty, Diah. “Safety Hazards Identification of Construction Site Layout Based on Geographic Information System (GIS)”. International Journal on Advanced Science, Engineering and Information Technology 10, no. 5 (October 26, 2020): 2021–2027. Accessed July 22, 2024. https://ijaseit.insightsociety.org/index.php/ijaseit/article/view/12822.