00462nam a2200133Ia 4500008004100000040001700041082002200058110004100080245004100121260002600162300000900188500007600197650005500273190328s9999||||xx |||||||||||||| ||und||  aNITILcNITIL  221sta311.2bI39N  aIndia. National Sample Survey Office 0aNSS 35th round : July 1980-June 1981  aNew DelhibNSSOc1988  a26p.  aContents: no. 335 Report on pilot survey on construction in urban areas  aSampling (Statistics); Construction industry-India