AU  - Ratnayake, T.C.
AU  - Abeygunawardane, H.
AU  - Siriwardane, J.A.De S.
AU  - Subasinghe, D.H.A.
ED  - 
TI  - Gavain haa mee gavain palanaya: pahaua upades sangrahaya-viyapthi niladharin sandhaha
CY  - NSF
PB  - Colombo
KW  - Agriculture
N1  - http://thakshana.nsf.ac.lk/slstic/NA-313S/NA313S.pdf
ER  -