na INLIS000000000003212 20160209152308.0 979-99014-0-5 SBPUBUK ind [22] 920 920 AYU s Ayu rini Ensiklopedi Sejarah tokoh-tokoh penemu dunia/ Ayu rini; Editor, Umar cet. 3 Yogyakarta: Pinus Book Publisher, 2008 192 hlm.: ilus.; 21 cm. Tokoh umar SBPUBUK 3600/KPAD/2014 1444/KPAD/2015