TY  - BOOK
AU  - Ojha, J. M.
TI  - Revision of differential aptitude test for higher secondary schools
U1  - 373.1264 
PY  - 1975///
CY  - Delhi
PB  - Manasayan
N1  - The study reported herein is largely based upon the PhD dissertation submitted to Baroda University and approved by them in 1967
ER  -