Khristiyono P.S text Jakarta : Erlangga , 2014 119 hlm.; ilus.; 25 cm Permit Persiapan Minggu Tenang UN Ilmu Pengetahuan Alam SMP/ MTs 507 507 Khr p 978-602-241-743-9 190510 20150113154104.0 INLIS000000000023542 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)