TY  - BOOK
AU  - Potect,James A.
TI  - Behaviour Modification - : A Practical Guides for Teachers,   
SN  - 034018499 X
U1  - 370.15  
PY  - 1973///
CY  - London
PB  - University of London Press
KW  - Education
KW  - Educational Psychology
N1  - Includes references and index
ER  -