Simuja, Clement. "Social studies". OER Commons. Institute for the Study of Knowledge Management in Education, 28 Mar. 2019. Web. 16 Sep. 2024. <https://oercommons.org/authoring/53072-social-studies>.
Simuja, C. (2019, March 28). Social studies. OER Commons. Retrieved September 16, 2024, from https://oercommons.org/authoring/53072-social-studies.