TY  - BOOK
AU  - Sukhia, S P
AU  - Mehrotra, P V
AU  - Mehrotra, R N
TI  - Elements of educational research
U1  - 370.780954 21st
PY  - 1963///
CY  - New Delhi
PB  - Allied
KW  - Education-Research; Educational statistics; Education-Evaluation
ER  -