Slide 1 Keynote Address Annual Research Sessions 2011 Faculty of Education University of Colombo October 20, 2011 Prof. L. L. Ratnayake Project Director, HETC Project Is…
Slide 1 Keynote Address Annual Research Sessions 2011 Faculty of Education University of Colombo October 20, 2011 Prof. L. L. Ratnayake Project Director, HETC Project Is…