na INLIS000000000013807 20150706163150 170126||||||||| | ||| |||| || || 979-490-606-9 0010-071500000013807 612 612 ARD b ARDLEY, Neil Buku Ilmu Pengetahuanku Indra Cetakan : 1 Semarang Mandira 1997 27 hlm. ilus. 24 cm. Sains - Indra