Tineke Mandang และผู้แต่งคนอื่นๆ. (2011) Development of selected field machinery for Jatropha Curcas Sustainable farming. <i>International Journal of Renewable Energy</i>, <i>Vol. 6</i>(No.2), 29-34.Tineke Mandang และผู้แต่งคนอื่นๆ. "Development of selected field machinery for Jatropha Curcas Sustainable farming". International Journal of Renewable Energy Vol. 6 (2011):29-34.Tineke Mandang และผู้แต่งคนอื่นๆ. Development of selected field machinery for Jatropha Curcas Sustainable farming. School of Renewable Energy Technology:ม.ป.ท. 2011.