TY  - BOOK
AU  - Sills,Patrick Alfred
TI  - The behavioural sciences: techniques of application 
SN  - 0852920881
U1  - 300 21
PY  - 1973///.
CY  - London: 
PB  - Institute of Personnel Management, 
KW  - Social sciences
KW  - Methodology
N1  - Includes bibliographies
ER  -