na INLIS000000000018089 20130516042431 ind 979-514-951-2 0010-051300000018089 ind 537 537 Brian, Brenda Sains Populer Atom Unsur Listrik c.3 Cetakan : 3 Bandung Remaja Rosdakarya 2005 vii, 43 hlm. : ilus. ;28 cm. 43 Kelestarian dan Elektronika