1. American Association for the Advancement of Science. (1993). Benchmarks for science literacy: Project 2061. New York: Oxford University Press
2. American Association for the Advancement of Science. (1975). Science: A process approach. Lexington, MA: Ginn
3. Baker K. (1990). Who is the beast? New York: Voyager Books
4. Base G. (2001). The water hole New York: Harry N. Abrams Publishers
5. Blood C, Link M. (1976). The goat in the rug New York: Simon & Schuster