Xuan Mai, P., Thi Bong, V., Huu Huong, N. and Phi Long, H. 1999. RESEARCH FOR LPG APPLICATION ON CARS (TAXIS) IN HOCHIMINH CITY. Science and Technology Development Journal. 2, 11&12 (Dec. 1999), 30-40. DOI:https://doi.org/https://doi.org/10.32508/stdj.v2i11&12.3694.