na INLIS000000000012750 20130516001121 ind 979-514-955-5 0010-051300000012750 ind 535 535 Brian, Brenda Sains Populer ( Cahaya Energi & Gerak) Cetakan : 4 Bandung Rosda Karya 2005 v, 33 hlm. : ilus. ;27.5 cm. 33 Cahaya