ප්රභේද භාවිතය (සුසාධ්යකාරක ද්රව්ය)
ප්රභේද භාවිතය (සුසාධ්යකාරක ද්රව්ය)
- Ministry of Education, 2009
- 16p.; 28cm
School Based Assesment
Secondary Education Modernization Project
School Based Assesment
Secondary Education Modernization Project