TY  - BOOK
AU  - Singh,S.P.
TI  - Research methods in social sciences : a manual for designing questionnaires/by S.P. Singh
SN  - 8173914834
U1  - 300.72  S64R 
PY  - 2002///
CY  - New Delhi
PB  - Kanishka Publishers, Distributors
ER  -