Yoruk, Yilmaz. "Perspectives on Climate Change and the Issue of Melting Polar Ice Caps". OER Commons. Institute for the Study of Knowledge Management in Education, 15 Apr. 2015. Web. 10 Jul. 2020. <https://www.oercommons.org/authoring/8041-perspectives-on-climate-change-and-the-issue-of-me>.
Yoruk, Y. (2015, April 15). Perspectives on Climate Change and the Issue of Melting Polar Ice Caps. OER Commons. Retrieved July 10, 2020, from https://www.oercommons.org/authoring/8041-perspectives-on-climate-change-and-the-issue-of-me.