text Jakarta Rineka Cipta 1991 ind 199 hlm. 15x21 cm Abu Ahmadi Ilmu Pengetahuan Alam 500 500 AHM I C.1 979-518-173-4 : INLIS000000000002502 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)