na INLIS000000000012592 20200219135906 200219||||||||| | ||| |||| ||ind|| 010-0220012592 ind 525 525 AYU b Ayudia pitaloka Bumi dan tata surya Edisi Cet.1 Jakrata gading inti prima 2009 iv,60 hlm. ilus:25cm - - hlm.58 Bumi