00290nam a2200097Ia 4500008004100000100002600041245005700067260004000124300001000164650001800174220216s9999    xx            000 0 und d  aSusaevee Punpitchaya 0aDALAH: The additional earning crop to rubber farmers  bRubber International Magazinec2006  a45-49  aIntercropping