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2. Al-Ghafri A. S. (2013). Muscat. In Omani encyclopedia. Ministry of Heritage and Culture. https://www.unesco.org/sites/default/files/medias/files/2021/12/mow_report_oman.pdf
3. Al-Ghafri A. S. (2018, October 9). Overview about the aflaj of Oman [Paper presentation]. International Symposium of Khattaras and aflaj, Erachidiya, Morocco. https://www.researchgate.net/profile/Abdullah-Al-Ghafri-3