National diagnosis on teacher supervision and support services for basic education in Sri Lanka

by Regional Seminar on Improving Teacher Supervision and Support Services for Basic Education in Asia, IIEP/S.159, Seoul, 1997, UNESCO IIEP, Wijesundera, Subhashinie, Silva, R.K.K.C. de, Wijesinghe, Kanti, Janasena, D.A.