REFERENCES
- BSCS. (2017). Guidelines for the evaluation of instructional materials in science. Colorado Springs, CO: Author. Retrieved from http://guidelinesummit.bscs.org/sites/default/files/BSCS_NGAL_2017.pdf
- Schell, E. M., Roth, K. J., & Mohan, A. (Eds.). (2013). A road map for 21st century geography education: Instructional materials and professional development (A report from the Instructional Materials and Professional Development Committee of the Road Map for 21st Century Geography Education Project). Washington, DC: National Council for Geographic Education.