1. Abd-el-khalick, F., Boujaoude, S., Duschl, R., Lederman, N.G., Mamlok-naaman, R., Hofstein, A.V.I., Niaz, M., Treagust, D., & Tuan, H. (2004). Inquiry in science education: International perspectives. Culture and Comparative Studies, 88(3), 397–419.
2. Cook, C., Goodman, N.D., & Schulz, L.E. (2011). Where science starts : Spontaneous experiments in preschoolers’ exploratory play. Cognition, 120(3), 341–349.
3. Dunbar, K., & Klahr, D. (1989). Developmental differences in scientific discovery processes. D. Klahr, & K. Kotovsky, (Eds.). Complex Information Processing: The Impact of Herbert A. Simon. Hillsdale NJ: Lawrence Erlbaum Associates. 109–143.
4. Hartshorne, H., & Weiss, P. (Eds.). (1931). Collected Papers of Charles Sanders Peirce Volume V Pragmatism and Pragmaticism. The Belknap Press Of Harvard University Press.
5. Kaplan, C.A., & Simon, H.A. (1990). In search of insight. Cognitive Psychology, 23(3), 374–419.