TY  - BOOK
AU  - "Pearson , C.J."
AU  - "Searle , P.G.E."
AU  - "Norman , M.J.T."
TI  - Tropical Food Crops: In Their Environment
U1  - 630/N.T  21
PY  - 1975///
CY  - [د.م]
PB  - Cambridge University Press
KW  - Food Crops
KW  - Ecology
ER  -