TY  - BOOK
AU  - Epstein Irwin
AU  -  Tripodi Tony
TI  - Research techniques for program planning:  Monitori   
SN  - 0231039441
U1  - Sigma b4.73.N7, L7 
PY  - 1977///
CY  - New York
PB  - Columbia University Press USA      
KW  - Social Science
N1  - Bibliography chapterwise
ER  -