000 00303nam a2200121Ia 4500
008 170101s1985 xx 000 0 und d
082 _a338.1 SIN
100 _aSingh Jasbir
245 0 _aDeterminants of Agricultural Productivity
260 _bWishap Pub.
_c1985
300 _a508 p.
942 _2ddc
_cB
999 _c966666
_d966666