Conrado S Heruela. (2006) Renewable Energy for Rural Development in the Mekong Region. <i>International Journal of Renewable Energy</i>, <i>Vol. 1</i>(No.2), pp 1-5.Conrado S Heruela. "Renewable Energy for Rural Development in the Mekong Region". International Journal of Renewable Energy Vol. 1 (2006):pp 1-5.Conrado S Heruela. Renewable Energy for Rural Development in the Mekong Region. School of Renewable Energy Technology:ม.ป.ท. 2006.