Bennett-Brandt, Sonya. "Precalculus instructional videos - Brian Stonelake, Southern Oregon University". OER Commons. Institute for the Study of Knowledge Management in Education, 06 Sep. 2016. Web. 19 Aug. 2024. <https://oercommons.org/authoring/15955-precalculus-instructional-videos-brian-stonelake-s>.
Bennett-Brandt, S. (2016, September 06). Precalculus instructional videos - Brian Stonelake, Southern Oregon University. OER Commons. Retrieved August 19, 2024, from https://oercommons.org/authoring/15955-precalculus-instructional-videos-brian-stonelake-s.