na INLIS000000000017063 20130516033555 ind 979-692-021-2 0010-051300000017063 ind 333.7 333.7 Ibnu, Hamid Aneka Macam Energi c.2 Cetakan : 3 Bandung Rosdakarya 2006 vii, 35 hlm. : ilus. ;28 cm. Sumber Alam