Astronomi text Sarana pancakarya 2009 ind 64 hlm. Muhammad ramadhan, Astronomi 520 520 ADI C 978-979-678-386-1 INLIS000000000000894 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)