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	1.	No cover image available Cluster school system an evaluation based on research studies by Gunawardena, G.B Kularatne, N.G Dharmadasa, K.H Peeris, A.K Abeyratne, L.A Munasinghe, M.A.P.K Language: Publication details: National Institute of Education Maharagama ; 1991 Availability: Items available for reference: National Science Library & Resource Center: Staff collection (1). Add to cart (remove)
	2.	No cover image available Kannangara vision challenge in reforming education by Gunawardena, G.B Series: Dr. C.W.W.Kannangara Memorial Lecture - 23 Language: Publication details: National institute of education Maharagama ; 2012 Availability: Items available for reference: National Science Library & Resource Center: Staff collection (1). Add to cart (remove)

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