TY  - BOOK
AU  - Roy Jogabrata
AU  - Chakravorti Indramohan
AU  - Laha Radhagovinda
TI  - Handbook for practical work in statistics: v.1, general methods
U1  - 000SA.0765 
PY  - 1957///
CY  - Calcutta
PB  - Indian Statistical Institute
ER  -