TY  - BOOK
AU  - Ilyas. M.M.M.
TI  - The Role Model of the Principals in Effctive Internal Supervision in Teaching Learning Process in the Secondary Level Classes of Tamail Medium Schools in the Gampaha Education Zone
PY  - 2017///
CY  - Maharagama
KW  - Education Management
KW  - M.Ed
KW  - Role of the Principal
ER  -