TY  - BOOK
AU  - Alles,Jinapala
ED  - Ceylon.
TI  - Action research pilot project for improvement school practices through supervision and assessment of school performance: working paper
AV  - LB2948.3 .A65
U1  - 373.1/2/0095493 
PY  - 1967///
CY  - Colombo]
PB  - Division of Secondary Education, Ministry of Education, Ceylon
KW  - High schools
KW  - Sri Lanka
KW  - Administration
ER  -