1. Bennion, J., & Olsen, B. (2002). Wilderness writing: Using personal narrative to enhance outdoor experience. Journal of Experiential Education, 25, 239-246.
2. Clidas, J. (1996, September). Personal plot journals: Students observe how a familiar spot changes over time. Science and Children, 22-25.
3. Connolly, P. (1989). Writing and the ecology of learning. In P. Connolly & T. Vilardi (Eds.), Writing to learn mathematics and science (pp. 1-14). New York: Teachers College Press.
4. Scharle, C. M. (1997). Environmental children's books created by the hearts and hands of high school students. English Journal, 86-89.
5. Seidman, I. (1998). Interviewing as qualitative research: A guide for researchers in education and the social sciences. New York: Teachers College Press.