TY  - BOOK
AU  - Zaki, W. M.
TI  - Educational research
SN  - 9693700031
U1  - 370.78 
PY  - 1989///
CY  - Islamabad
PB  - NBF
KW  - Education--Research
KW  - Education
N1  - Nature of educational research;
Research design;
Measuring instruments;
Statistical analysis
ER  -