TY  - BOOK
AU  - Wanasinghe, Shaminda
TI  - සාර්ථක පාසලක සංවර්ධනය
SN  - 9789553009920
U1  - 371.2 
PY  - 2009///
CY  - Colombo 10
PB  - S. Godage
KW  - School Development
KW  - School Management
KW  - School Improvement
KW  - Education
ER  -