1. CATTELL, R.B.Handbook of Multivariate Experimental Psychology, Chicago: Rand McNally, 1966, 174–243.
2. CLARKE, C.O. A Determination of Commonalities of Science Interests Held by Intermediate Grade Children in Inner-City, Suburban and Rural Schools.Science Education, 1972, 56, 125–136.
3. COOLEY, W.W. and REED, H.B. The Measurement of Science Interests: An Operational and Multidimensional Approach,Science Education, 1961, 45, 320–326.
4. EDUCATION DEPARTMENT OF SOUTH AUSTRALIA.Nature Science Handbooks, Grades 1–7, South Australia, 1965–1970.
5. FOSTER, L.L. Manifest Science Interest of Pupils in Forms 3 and 4,The Australian Science Teachers Journal, 1967, 13, 65–73.