TY  - BOOK
AU  - Sharma,Ritu
TI  - Educational research and statistic
SN  - 8189913158
PY  - 2007///
CY  - New Delhi
PB  - Alfa Publications
KW  - Education
KW  - Research
KW  - Educational statistics
N1  - Includes bibliographical references (p. [303]-304)
ER  -