Gannon, Martin Joseph; Baxter, Ian W. F.; Collinson, Elaine; Curran, Ross; Farrington, Thomas; Glasgow, Steven; Godsman, Elliot M.; Gori, Keith et al. (2017-06-11). “Travelling for Umrah: destination attributes, destination image, and post-travel intentions”. The Service Industries Journal37 (7–8): 448–465. doi:10.1080/02642069.2017.1333601. ISSN0264-2069.
Hawting, G. R. (1980). “The Disappearance and Rediscovery of Zamzam and the 'Well of the Ka'ba'”. Bulletin of the School of Oriental and African Studies, University of London43 (1): 44–54 (44). doi:10.1017/S0041977X00110523. JSTOR616125.
jstor.org
Hawting, G. R. (1980). “The Disappearance and Rediscovery of Zamzam and the 'Well of the Ka'ba'”. Bulletin of the School of Oriental and African Studies, University of London43 (1): 44–54 (44). doi:10.1017/S0041977X00110523. JSTOR616125.
The Message by Ayatullah Ja'far Subhani, chapter 48 referencing Sirah by Ibn Hisham, vol. II, page 409.
worldcat.org
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Gannon, Martin Joseph; Baxter, Ian W. F.; Collinson, Elaine; Curran, Ross; Farrington, Thomas; Glasgow, Steven; Godsman, Elliot M.; Gori, Keith et al. (2017-06-11). “Travelling for Umrah: destination attributes, destination image, and post-travel intentions”. The Service Industries Journal37 (7–8): 448–465. doi:10.1080/02642069.2017.1333601. ISSN0264-2069.