Susilo, Budi Hartanto. “Guideline for Survey, Investigation, and Design of Black Spot Location (SID-BSL) and Its Application in Lampung Province, Indonesia”. Civil Engineering Dimension 18, no. 1 (April 20, 2021): 49-56. Accessed April 26, 2024. https://ced.petra.ac.id/index.php/civ/article/view/19541.