000 | 00335nam a2200109 4500 | ||
---|---|---|---|
027 | _aAgricultural economics study no. ; 44 | ||
041 | _aeng | ||
080 |
_a63.003.(548.7) _bS7 |
||
942 | _cRR | ||
110 | _aSri Lanka. Department of Agriculture | ||
245 | _aCost of cultivation of agricultural crops: Yala 1987 Vol. II - Other field crops | ||
999 |
_c170737 _d170737 |