Mempelajari bangun datar segi empat ESTI WIDIYANINGRUM, P. text Yogyakarta Citra Aji Parama 2013 Cet. 1 ind iv, 108 hlm. : ilus. ; 21 cm. / P. Esti Widyaningrum; editor, Dawig Roosbiyantana, Ratna Sari Utami Indeks Bibliografi : hlm. 107 Geometri 516 516 Est M 978-602-2340-87-4 YOPDYOG 20170818082022.0 INLIS000000000029804 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)