TY  - BOOK
AU  - Bollens,John Constantinus
AU  - Marshall,Dale Rogers
TI  - Guide to participation: field work, role playing cases and other forms
SN  - 0133705692 
AV  - H62 .B6135
U1  - 300.72 22
PY  - 1973///
CY  - New Jersey
PB  - Prentice-Hall
KW  - Social sciences
KW  - Fieldwork
KW  - Participant observation
KW  - Role playing
N1  - Bibliography: p. 147-152
ER  -