Israil, ., M. Tumpu, and Nursafanah Dzakiyah Al Makassari. “Reducing the Environmental Impact of Asphalt Emulsion Production from Petroleum Bitumen Utilizing Buton Island Natural Asphalt in Various Scenarios”. Engineering, Technology & Applied Science Research 14, no. 6 (December 2, 2024): 18380–18387. Accessed May 12, 2025. https://www.etasr.com/index.php/ETASR/article/view/8559.