TY  - BOOK
AU  - Young, Pauline V and Schmid,Calvin F.
TI  - Scientific Social Surveys and Research
U1  - A 
PY  - 1968///
CY  - New Delhi
PB  - Prentice-Hall of India Private Ltd.
KW  - Statistics, Field Obervation in Social Research, The use of case data in Social Research
ER  -