1. Al-Thabhani, N. (2004). Violence against children in selected areas of Yemen. The Presidency of Council of Ministers; The Higher Council for Motherhood & Childhood, World Childhood Foundation. https://resourcecentre.savethechildren.net/library/violence-against-children-selected-areas-yemen
2. Harsh corporal punishment of Yemeni children: Occurrence, type and associations
3. Armanios, F. (2004). Islam: Sunnis and Shiites. Congressional Research Service, The Library of Congress.