Green, T. L. The teaching of biology in tropical secondary schools / T. L. Green. - London : Oxford University Press, c 1965. - xvi, 392 p. : ill. ; 23 cm. - Unesco handbooks on the teaching of science in tropical countries ; . Includes Index. 331 331 Subjects--Topical Terms: Biotecnología. Dewey Class. No.: 574.7 / G826t