000			00379nam a2200145Ia 4500
999			_c1501 _d1501
003			OSt
005			20201008144644.0
008			160331s1993 xx 000 0 und d
080			_a631.17 N3
100			_aSingh, Diwa Kumari
245			_aTechnology change and agricultural development
260			_bDeep and Deep Publications, New Delhi _c1993
300			_a179
942			_2udc _cBK