TY  - BOOK
AU  - Gunawardhana , Raja
TI  - අධ්‍යාපන මිනුම් සහ ඇගයුම්
SN  - 9789555846264
U1  - 371.26 
PY  - 2023///
CY  - Kottawa
PB  - Sara Prekashana
KW  - School
KW  - Education
KW  - Scale
KW  - Evaluation
KW  - Measurement and evaluation in education
ER  -