000 00326nam a2200109 4500
027 _aAgricultural economics study no. ; 37
041 _aeng
080 _a63.001.1(548.7)
_bS7
942 _cRR
110 _aSri Lanka. Department of Agriculture
245 _aCost of cultivation of agricultural crops: Maha 1983/84 Vol. 1 - Paddy
999 _c170730
_d170730