na BHATT-08130000000047 20130819132855.0 160920||||||||| | ||| |||| ||ind|| 010-081300000000047 979-663-073-7 [22] 005 005 WAL p Sonny Walla word 6.0 for windows / Sonny Walla jakarta,; elex media komputindo,1996 4172/PPBH/2006