New biology for West African schools /
Stone, R. H.(Robert Henry),1925-
Cozens, A. B.(Arthur Barry),1913-
Emina, F. I.
Ndu, F. O. C.
Hoek, Sophia.
Bonson, Richard,1945-
London Longman
1975
Previous ed.: published as 'New biology for tropical schools'. Harlow : Longman, 1969
Includes index
Biology.