na INLIS000000000001001 ind 0010-0724001001 Mengapa Disebut SEGITIGA? Abdul Aziz Saefudin Abdul Aziz Saefudin Yogyakarta PT.INTAN PRAWIRA 2008 68 hlm. 978-979-280-342-6 516 ABD m 516 Geometri P29/CP/24/1001