NSS 54th round : January-June 1998
311.2
I39N
 NSS 54th round : January-June 1998 Drinking water, sanitation and hygiene in India - New Delhi : NSS, 1999.
 V.p.
  NSSO report; no.449 (54/31/1)
C7662
  Subjects: Sampling (Statistics)-India; Drinking water-India; Sanitation-India.

