DjufriF., HandokoI., BaharsjahJ., KoesmaryonoY., and GoenadiD. H., “<b>PENYUSUNAN MODEL SIMULASI TANAMAN JARAK (<i>Richinus communis L.</i>)</b><br>CONSTRUCTION OF A CROP SIMULATION MODEL OF CASTOR OIL (<i>Richinus communis L.</i&gt;)”, Agromet, vol. 18, no. 2, pp. 48-57, Dec. 2004.