3 1 10 sesuai dengan IMO model course 7.03 STCW 2010 Egi Komara Yudha Additional Author Fita Nur. A Primary Author Dara Rahma Illahiya Editor Sjefudin Additional Author M.R. Saimima Additional Author mixed material 9789790449435 Jakarta EGC 2020 olah_gerak.jpg.jpg bidang studi keahlian teknologi dan rekayasa MB.Rahimsyah.AR Primary Author Sjefudin Editor Supriyadi Additional Author Heru Prihatmoko Additional Author mixed material 9789790753020 Jakarta Erlangga 2006 memelihara_transmisi.jpg.jpg Aal Salman, Abu Ubaidah Masyhur bin Hasan Primary Author Sjefudin Editor Syahri, Muhammad Ray Additional Author MUhammad Alcaff Additional Author mixed material 97860298711111 Cirebon Tapak Sunan Publishing House 2012 revolusi_zikir.jpg.jpg