References
- Berrill , N. J. 1967 . Biology in Action , London : Heinemann Educational .
- Booth , P. R. 1979 . The teaching of ecology in schools . Journal of Biological Education , 13 ( 4 ) : 261 – 266 .
- De Robertis , E. D. P. , Nowinski , W. W. and Saez , F. A. 1970 . Cell Biology , 5th edition , Philadelphia : Saunders .
- Dowdeswell , W. H. 1981 . Teaching and Learning Biology , London : Heinemann Educational .
- Ewer , D. W. and Hall , J. B. , eds. 1972 . Ecological Biology, for A-level and Intermediate Students in Africa , London : Longman . 2 volumes
- King , T. J. 1980 . Ecology , Walton-on-Thames : Nelson .
- Nuffield Foundation . 1967 . The Perpetuation of Life: Nuffield Biology Teachers' Guide V , London : Longman/Penguin .
- Pearson , R. G. 1981 . Report of the Inter-board Working Party set up to carry out the Common-core Study in Biology (Advanced) Unpublished report
- Roberts , M. B. V. 1976 . Biology: a Functional Approach , 2nd edition , Walton-on-Thames : Nelson .
- Sinker , C. A. 1979 . Sites for ecological work Appendix C of Booth (1979)
- Stace , A. C. 1980 . Plant Taxonomy and Biosystematics , London : Arnold .
- Weisz , P. B. 1963 . The Science of Biology , 2nd edition , New York : McGraw-Hill .
- Welch , C. A. 1973 . Biological Science: Molecules to Man , 3rd edition , Boston : Houghton Mifflin . Biological Sciences Curriculum Study (BSCS) Blue Version