TY  - BOOK
AU  - Upawansa , G.K.
TI  - පාරිසරික හෙළ ගොවිතැන
U1  - 306.349 
PY  - 2005///
CY  - Nawalapitiya
PB  - Organization of Environmental Fram Planning
KW  - Agricultural Sociology - Sri Lanka
KW  - Agricultural Systems - Sri Lanka
KW  - Sociology
ER  -