Gunasekara, W.K.K.H.S.; Amarasinghe, A.K.; Madawala, H.M.S.P.
(Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2022-01-19)
In teacher development programmes conducted by the National Colleges of Education (NCoEs) in Sri Lanka, the commonly used teaching-learning theory is the constructivist approach. The NCoE curriculum has been prepared to ...