1. (1990). The effect of academic instruction upon the memory strategies of college students engaged in problem-solving in the study of selected topics in nuclear physics and space science (Doctoral dissertation, University of Pittsburgh, 1989, DA9019387). Dissertation Abstracts International, 51 (2), 470-A.
2. (1990). Science and technology education in Cameroon: A study of the attitudes of preservice primary school teachers (Doctoral dissertation, University of California, Los Angeles, 1989, DA9003156). Dissertation Abstracts International, 50 (10), 3150-A.
3. The effects of microcomputer-based laboratory exercises on the acquisition of line graph construction and interpretation skills by high school biology students
4. Accelerating the development of formal thinking in middle and high school students
5. (1990). Program articulation between secondary schools and universities as perceived by science teachers in Saudi Arabia (Doctoral Dissertation, The Ohio State University, 1989, DA9001911). Dissertation Abstracts International, 50 (8), 2365-A.