TY  - BOOK
AU  - Athukorala, Daya Rohana
TI  - ධනාත්මක චින්තනය
SN  - 955-9008-82-x
U1  - 158.1 
PY  - 2005///
CY  - Colombo
PB  - Shiksha mandira Pub
KW  - Personal Improvement
KW  - Applied Psychology
ER  -