TY - BOOK T1 - Sustainable energy A1 - Dunlap, Richard A. LA - English PP - Stamford, CT Cengage Learning YR - 2015 UL - http://www.ds.mainlib.upd.edu.ph/Record/UP-1685523046126300604 OP - 14 CN - TJ 808 D85 2015 SN - 9781133108771 KW - Renewable energy sources. ER -