TY  - BOOK
AU  - Abeykoon,A.T.P.L
TI  - Population and Manpower Resources of Sri Lanka
SN  - 955590006x
U1  - 304.6 
PY  - 1998///
CY  - Colombo
PB  - natural resources energy and science authority
KW  - Factors affecting social behavior
ER  -