TY  - BOOK
AU  - Nicholas, Paul
TI  -  Social survey methods: a fieldguide for development workers 
SN  - 0855981261
U1  - 300.723 22
PY  - 2000///
CY  - Oxford
PB  - Oxfam
KW  - Social Surveys
N1  - Includes bibliographical references (p. 116 - 117)
ER  -