TY  - BOOK
AU  - Waitley, Denis
AU  - Witley, Reni L.
AU  - Gunasekara, Padma
TI  - වැඩ කිරීමේ සතුට: The Joy of Working
SN  - 9556521119
U1  - 158 
PY  - 2001///
CY  - Mulleriyawa
PB  - Wijesooriya  Grantha Kendraya
KW  - Applied psychology
ER  -