HARI SUTRISNO, Hari Sutrisno. TINJAUAN KIMIA PADA PENCEGAHAN POLUSI EMISI GAS BUANG KENDARAAN BERMOTOR. Jurnal Cakrawala Pendidikan, [S. l.], v. 2, n. 2, 2016. DOI: 10.21831/cp.v2i2.9236. Disponível em: https://journal.uny.ac.id/index.php/cp/article/view/9236. Acesso em: 7 may. 2025.