Keliling dan Luas Daerah Bangun Datar Ahmad Hariyadi text Surabaya PT. JePe Press Media Utama 2009 iv, 55 hlm ; 29.7 cm 510 510 AHM m 6028567541 20230307081525 INLIS000000000489443 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)