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2. UN General Assembly (2015), The 2030 Agenda for Sustainable Development, The United Nations. www.un.org/en/development/desa/population/migration/generalassembly/docs/globalcompact/A_RES_70_1_E.pdf retrieved 13 January 2022.
3. UNESCO World Heritage. UNESCO World Heritage Centre. whc.unesco.org. Retrieved 12 January 2022.
4. The architectural heritage of the Kingdom of Saudi Arabia;Al Alshakh,2010
5. Historical and heritage palaces and houses in the Kingdom of Saudi Arabia;El Shawaty,2011