TY  - BOOK
AU  - Gunawardena, G.B
TI  - Cluster School System an Evaluation Based on Research Studies
U1  - 371.2 
PY  - 1991///
CY  -  Maharagama
PB  -  Department of Education Publication, 
KW  - Schools and their activities; special education
KW  - Mahinda Ranaweera Collection
ER  -