Active Mathematics for elemetary school year 6 semester 2 text Jakarta Esis 2010 Ing viii 25,5 x 20 cm. M. Khafid 6B Matematika 372 T278D v.6B 372 T278D v.6B 9789792554458 INLIS000000000000102 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)