00354nam a2200109Ia 4500008004100000100001700041245010800058260003200166300001000198650002200208650001400230220216s9999    xx            000 0 und d  aRamamorthi S 0aEfficiency in resource allocation : A study of Srilankan rubber planterrs to changing market conditions  bRubber Board Bulletinc1984  a14-16  aRubber plantation  aSri Lanka