Sehari bersama Sains text Pustaka Sains 2011 Ind Ilmu Pengetahuan Alam A.500 A.500 RAH e INLIS000000000016008 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)