Pengoptimuman sistem rangkaian injap enjin suntikan terus gas asli termampat - Achmad, Nur Rochman (Bangi : Perpustakaan Tun Seri Lanang, 2010)
Tesis (Sarjana Sains) - Universiti Kebangsaan Malaysia, 2006
Keywords: Universiti Kebangsaan Malaysia -- Dissertations; Dissertations, Academic -- Malaysia; Natural gas vehicles -- Motors -- Valves; Automobiles