Soedjono, Wahyoe text Jakarta Wahyumedia 2006 ind 24 hlm. ; 21 cm. Matematika TK 372.21 372.21 SOE l 979-3806-37-0 220404 20220404111835 INLIS000000000001731 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)