TY  - GEN
AU  - Pemadasa , M.A.P.
AU  - Paulraj , P.J.
AU  - Weerasinghe , B.
TI  - Botany plant ecology -2: block - II
U1  - 580 
PY  - 1987///
CY  - Nugegoda
PB  - Open University
KW  - Botany
KW  - Plant Sciences
ER  -