00383    a2200109   4500020001500000082001800015100002600033245009500059260005900154300002200213650003800235  a9559448129  a379.5493bKAR  aKarunaratne, Sunethra  aImpact evaluation of 1997 education reforms in teaching science at the GCE advanced level   aNarahenpitabNational education commissionc2004g2004  axiii,220p.c29cm.  aPublic policy issues in education