1. Akiva, T. (2009). The camp program quality assessment (camp PQA) development and pilot study. Ypsilanti, MI: David P. Weikart Center for Youth Program Quality. Retrieved from http://cypq.org/camppqa
2. Allen, L. R., Cox, J., & Cooper, N. L. (2006). The impact of a summer day camp on the resiliency of disadvantaged youths. Journal of Physical Education, Recreation & Dance, 77(1), 17–23.
3. American Camp Association. (2005). Directions: Youth development outcomes of the camp experience. Martinsville: American Camping Association, Inc..
4. American Camp Association. (2013). Facts and trends. Retrieved from https://www.acacamps.org/pressroom/aca-facts-trends
5. Asfeldt, M., & Hvenegaard, G. (2014). Perceived learning, critical elements and lasting impacts on university-based wilderness educational expeditions. Journal of Adventure Education & Outdoor Learning, 14(2), 132–152.