NUGRAHA, Tutun Sains Energi Terbarukan : Energi Biomassa, Biofuel, Biodiesel, dan Biogas - 67 hlm. 28 cm ISBN: 978-602-18949-2-4 Subjects--Topical Terms: 0 Index Terms--Genre/Form: Grade 10-12 Dewey Class. No.: 531.6