TY  - BOOK
AU  - Engels, Frederick
AU  - Manilgama, Piyasena adp.
TI  - සොබාදහමේ දායකත්වය 
U1  - 335.4112 
PY  - 1984///
CY  - Moscow
PB  - Pragathi
KW  - Socialism and Related Systems
N1  - Text in sinhala
ER  -