000			00517nam a2200169Ia 4500
008			190328s9999||||xx |||||||||||||| ||und||
040			_aNITIL _cNITIL
082			_221st _a311.2 _bI39N
110			_aIndia. National Sample Survey Office
245		0	_aNSS 23th round : July 1968-June 1969 ; Instructions
250			_aRev.
260			_aCalcutta _bThe Authors _c1968
300			_av.1 (V.p)
500			_aContents: v.1. Desing, concepts, definitions and procedures
650			_aSampling (Statistics)
942			_cBKS
999			_c36020 _d36020