na INLIS000000000016921 20130516032910 ind 979-692-021-2 0010-051300000016921 ind 333.7 333.7 Ibnu, Hamid Aneka Macam Energi c.1 Cetakan : 3 Bandung Rosdakarya 2006 vii, 35 hlm. : ilus. ;28 cm. Sumber Alam