000			00503nam a2200169Ia 4500
008			190328s9999||||xx |||||||||||||| ||und||
040			_aNITIL _cNITIL
082			_221st _a311.2 _bI39N
100			_aKundu, P C
110			_aIndia. National Sample Survey Office
245		0	_aNSS _bon some types of non-sampling errors in NSS date _cP C Kundu
260			_aCalcutta _bThe Author _c1970
300			_a9p.
440			_aWorking paper series; no. 56/70/1
650			_aSampling (Statistics)
942			_cBKS
999			_c36012 _d36012