TY  - BOOK
AU  - Brown, Steven R  .
AU  - Melamed,Lawrence E  .
TI  - Experimental design / 
T2  - Qualitative applications, 
U1  - 300.1 
PY  - 1990///
CY  - New Delhi : 
PB  - Sage Publications , 
N1  - **Reference
ER  -