na INLIS000000000011509 20200219133920 200219||||||||| | ||| |||| ||ind|| 978-979-3077-30-7 010-0220011509 ind 030 030 WAH r wahyudin refrensi matematika Edisi Cet.1 jakarta ipa abong 2008 60 hlm. ilus - hlm.60 karya umum