DARIMI, DARIMI, Ikhwan Siregar YUSNI, Anita SOFIA, FIRDAUS FIRDAUS, & SYAHRIL SYAHRIL. " Model of Motor Vehicle Gas Distribution Based on Ecology- Health, Economic, Social-Cultural and Law Factors in the City of Pekanbaru." Journal of Environmental Management and Tourism [Online], 9.7 (2018): 1479-1488. Web. 8 Nov. 2024