na INLIS000000000004563 20151006103425.0 010-101500000000250 [21] 793.7 793.7 GUN t Gunawan, Ridwan Teka-Teki Ilmiah / Ridwan Gunawan Cet. 1 [s.l.] RITO 2005 101 hlm. : ilus. ; 20 cm TEKA-TEKI Perpusdakedrikota 16384(281540/PU-KDR/HD/2012