na INLIS000000000011433 20150706161531 170126||||||||| | ||| |||| || || 979-490-561-5 0010-071500000011433 551.2 551.2 ARD b ARDLEY, Neil Buku Ilmu Pengetahuanku Air Cetakan : 1 Semarang Mandira 1996 27 hlm. ilus. 24 cm. Air