Abd El-Ghany, A., Samar, I., Mosleh, M., Mofida, M., Abd-El, H., & El-Weshahy, W. (2016). Doum- Palm in Ancient Egypt. Journal of Association of Arab Universities for Tourism and Hospitality,13 (1), 1–20. Retrieved from
https://jaauth.journals.ekb.eg/article_49960_9e50b9b098acb50a3aedb23fa2bce63d.pdf
Abd el Hameed, S. (2017). Hoopoe Symbolism in Ancient Egyptian Religion رمزیة طائر الهدهد فى العقیدة المصریة القدیمة. The Conference Book of the General Union of Arab Archeologists, 20(20), 139–173.
https://doi.org/10.21608/cguaa.2017.29512
Elhelw, Rania. (2020). The Human-Headed Bird Figure in Painting from the Bronze Age to Early Twentieth Century. Journal of Art & Architecture Research Studies - Jaars, 1(1), 186–200.
https://doi.org/10.47436/jaarsfa.v1i1.47
Saebipour, M. R., Zare, M., Ghaemi, K., & Joghataie, M. T. (2018). The Conference of the Birds: An Old Artistic Concept Making Sense in Modern Sciences. Basic and Clinical Neuroscience Journal, 9(4), 297–305.
https://doi.org/10.32598/bcn.9.4.297
c- gilgit2. (2014). Common Hoopoe (Upupa epops) by Imran Shah licensed with CC BY-SA 2.0.
https://creativecommons.org/licenses/by-sa/2.0/. Retrieved July 1, 2021, from Creativecommons.org website: https://search.creativecommons.org/photos/20b599c6-dc68-4b71-8705-92bd84afe961.
Aeroman3, (2012). Celestial Constellations, is marked under CC PDM 1.0. Retrieved July 3, 2021, from https://creativecommons.org/publicdomain/mark/1.0/