TY  - BOOK
AU  - Kodithuwakku , Godwin
TI  - පර්යේෂණ ලෝකයට පිවිසෙමු 
SN  - 9789558973042
U1  - 001.4 
PY  - 2012///
CY  - Baththaramulla
PB  - research & Devolopment establishment
KW  - Research
KW  - Research Methods
ER  -