000 00320 a2200133 4500
082 _a338.13
_bSAT
090 _c15177
_d22777
100 _aSathasivamillai, K.
245 _aAgricultural economics study no.15
260 _aColombo
_c1976
_g1976
300 _a80p.
_c29cm
650 _aAgricultural economics
942 _cPR
999 _c43306
_d43306