Technical records of sample design, instructions to field workers and list of sample villages and urban blocks /
issued by the Cabinet Secretariat, Govt. of India ; with a foreword by P. C. Mahalanobis.
- Delhi : Manager of Publications, 1960.
- viii, 337 p. ;
- The National Sample Survey ; .
Report compiled by Hari Bhajan Chaudhury and Birendra Mohan Das Gupta."9th round : May-November 1955".