na INLIS000000000017790 20130516041022 ind 979-514-951-2 0010-051300000017790 ind 537 537 Brian, Brenda Sains Populer Atom Unsur Listrik c.4 Cetakan : 3 Bandung Remaja Rosdakarya 2005 vii, 43 hlm. : ilus. ;28 cm. 43 Kelestarian dan Elektronika