00538    a2200157   4500082001900000100002000019245013200039260003200171300002200203440007000225650001100295650001500306650001600321650002200337700002100359  a338.13895bJAY  ajayasena, W. G.  aSocio-economic conditions of rubber smallholders in Sri Lankaba pre-project study of Ratnapura, Kalutara and Kegalle districts  aSri LankabARTIc1984g1984  axviii,151p.c29cm  aResearch study No. 61 - Smallholder rubber rehabilitation project  aRubber  aProduction  aAgriculture  aFinancial aspects  aHerath, H. M. G.