1. Imarat Al-’Ard fi Al-’Islam (architecture in Islamic lands);Akbar,1998
2. The sense of unity. The Sufi tradition in Persian architecture;Ardalan,1979
3. La civilisation de l’islam classique;Sourdel,1968
4. The luminous effect of cut and attraction. Elements of syntax of the daylight in the earth’s architectures of the South of Atlas, Morroco;De Oliveira,1998
5. Mosque architecture and the physical environment;Afzal Ebrahim,1988