TY  - BOOK
AU  - Juwarajan, D.
AU  - Pavalakanthan, M.
AU  - Satgunarajah, E.J.
TI  - Diagnosis and Improvement of the Performance in Mathematics at the Junior Secondary Level Development of Instruments
PY  - 1990///
CY  - Maharagama
KW  - Mathematics
KW  - Performance
ER  -