7Driver, R. (1983). The Pupil as Scientist? Milton keynes: Open University Press; Osborne, R. and Freyberg,P. (1985). Learning in Science: the Implications of Children's Science. Auckland: Heinemann.
8Philips, D. C. (1997). How, Why, What, When and Where:Where: Perspectives on Constructivism in Psychology and Education. Issues in Education, Vol. 3, Issue 2, p. 151.
