Mohammed Baggash และ Adel Abdulrahman. (2010) Production and testing of biodiesel fuel from Jatropha Curcas (Al-Sharb) in Yemen. <i>International Journal of Renewable Energy</i>, <i>Vol. 5</i>(No.2), 47-56.Mohammed Baggash และ Adel Abdulrahman. "Production and testing of biodiesel fuel from Jatropha Curcas (Al-Sharb) in Yemen". International Journal of Renewable Energy Vol. 5 (2010):47-56.Mohammed Baggash และ Adel Abdulrahman. Production and testing of biodiesel fuel from Jatropha Curcas (Al-Sharb) in Yemen. School of Renewable Energy Technology:ม.ป.ท. 2010.