Sandhya Babel และผู้แต่งคนอื่นๆ. (2016) Production of Biodiesel from Waste Cooking Oil Using Transesterification, withthe KOH on Carbon Support from Waste Material and Egg Shell, as the Catalyst. <i>Environment and Natural Resources Journal</i>, <i>14</i>(2), 60-68.Sandhya Babel และผู้แต่งคนอื่นๆ. "Production of Biodiesel from Waste Cooking Oil Using Transesterification, withthe KOH on Carbon Support from Waste Material and Egg Shell, as the Catalyst". Environment and Natural Resources Journal 14 (2016):60-68.Sandhya Babel และผู้แต่งคนอื่นๆ. Production of Biodiesel from Waste Cooking Oil Using Transesterification, withthe KOH on Carbon Support from Waste Material and Egg Shell, as the Catalyst. Faculty of Environment and Resource Studies, Mahidol University:ม.ป.ท. 2016.