TY  - GEN
AU  - Fonseka , Lal
TI  - ඵලදායී අනාගත පරපුරක්
SN  - 9556610065
U1  - 370.154 
PY  - 2006///
CY  - Colombo
PB  - Sadeepa Prakashana
KW  - MOTIVATION EDUCATION PRODUCTIVITY
KW  - EDUCATION
KW  - MOTIVATION LEARNING
ER  -