000 00315nam a2200121Ia 4500
100 _aAggarwal, Y P
020 _a81-207-0875-X
942 _cBK
245 _aBetter sampling: concepts, techniques & evaluation
260 _aSterling Publishers Private Ltd., New Delhi
_c1988
082 _a311.21 Agg
300 _a130
999 _c67772
_d67772