1. Al Jazeera (2020, June 28). Ertugrul: Turkish TV’s Ottoman Phenomenon Goes Global. Recep Tayyip Erdogan|Al Jazeera.
https://www.aljazeera.com/program/the-listening-post/2020/6/28/ertugrul-turkish-tvs-ottoman-phenomenon-goes-global
2. Bhat, Z. A., & Bhat, G. J. (2018). Flipped Classroom Method in Contemporary Teaching Learning Environment. Eric-Education Resources Information Center.
https://files.eric.ed.gov/fulltext/ED556901.pdf
3. Ancient Greek Letter Writing
4. D’Arcy, P. (2017, June 7). What the Mysterious Symbols Made by Early Humans Can Teach Us about How We Evolved.
https://ideas.ted.com/what-the-mysterious-symbols-made-by-early-humans-can-teach-us-about-how-we-evolved/#:~:text=The%2032%20signs%20documented%20by,22%2C000%20and%2040%2C000%20years%20ago
5. History.com Editors (2023, April 24). Ancient Rome—Facts, Location, & Timeline.
https://www.history.com/topics/ancient-rome/ancient-rome