TY  - BOOK
AU  - Somarathna,W.R.P
TI  - නවීන ඉගැන්වීම් උපකරණ
U1  - 371.3 
PY  - 1958///
CY  - Colombo
PB  - M.D. Gunasena & co. Ltd.
KW  - Schools and their activities; special education
KW  - Methods of instruction and study
ER  -