TY  - GEN
AU  - Karunaratne, Sunethra
TI  - Impact evaluation of 1997 education reforms in teaching science at the GCE advanced level 
SN  - 9559448129
U1  - 379.5493 
PY  - 2004///
CY  - Narahenpita
PB  - National education commission
KW  - Public policy issues in education
ER  -