Lemos, Paula et al. "The United Nations' SDG in Germany and Portugal". OER Commons. Institute for the Study of Knowledge Management in Education, 04 Sep. 2019. Web. 25 Nov. 2024. <https://oercommons.org/authoring/57832-the-united-nations-sdg-in-germany-and-portugal>.
Lemos, P., Rodenhaeuser, L., & Hanke, S. (2019, September 04). The United Nations' SDG in Germany and Portugal. OER Commons. Retrieved November 25, 2024, from https://oercommons.org/authoring/57832-the-united-nations-sdg-in-germany-and-portugal.