TY  - BOOK
AU  - KARUNARATNE, SUNETHRA
TI  - Impact Evaluation of 1997 Education Reforms in Teaching Science at the GCE Advan
SN  - 955-9448-12-9
U1  - 370.7095493 
PY  - 2004///
PB  - Sri Lanka : National Educatio
ER  -