TY  - GEN
AU  - Ariyaratne , A.T.
AU  - Ratnapala , Nandasena ;ed.
TI  - Collected works Vol; ll
SN  - 955599143x
U1  - 307.14 
PY  - 1980///
CY  - Rathmalana
PB  - Vishva Lekha
KW  - COMMUNITY DEVELOPMENT
KW  - SOCIOLOGY
ER  -