mobark, ahmed. "تمثيل المستقيمات". OER Commons. Institute for the Study of Knowledge Management in Education, 08 May 2016. Web. 25 Nov. 2024. <https://oercommons.org/authoring/13590-%D8%AA%D9%85%D8%AB%D9%8A%D9%84-%D8%A7%D9%84%D9%85%D8%B3%D8%AA%D9%82%D9%8A%D9%85%D8%A7%D8%AA>.
mobark, a. (2016, May 08). تمثيل المستقيمات. OER Commons. Retrieved November 25, 2024, from https://oercommons.org/authoring/13590-%D8%AA%D9%85%D8%AB%D9%8A%D9%84-%D8%A7%D9%84%D9%85%D8%B3%D8%AA%D9%82%D9%8A%D9%85%D8%A7%D8%AA.