1. Begle, E.G. (1979). Critical variables in mathematics education. Washington, D.C.: Mathematical Association of America.
2. Bligh, D. (1972). What’s the use of lectures? Harmondsworth: Penguin.
3. Carrier, G.F. et al. (1962). Applied Mathematics: What is Needed in Research and Education. SIAM Review, 4, 297–320.
4. Clements, R.R. (1988). Teaching Mathematics to Engineering Students utilising innovative teaching methods, in (Howson, H.G. et al., 1988) 45–57.
5. Clements, R.R., Wright, J.G. (1983). The use of guided reading in an Engineering Mathematics Degree course. Int. J. Math. Educ. Sci. Technol., 14, 95.