TY  - BOOK
AU  - Srivastava Om Parkash
TI  - Construction of achievement test in Chemistry for class  X Of higher secondary schools
T2  - University of delhi psychology (Deopt of ) master of arts psychology dissertation
U1  - T2:5,2(E), K4 (ESD) 
PY  - 1964///
KW  - EDUCATION
ER  -