found: Work cat.: Risālah fī ḥukm istikhdām mukabbirāt al-ṣawt fī al-ṣalāh wa-bayān anna istiʻmālahā al-ūlá fī al-adhān faqaṭ, 1995.
found: Encyclopaedia of Islam Online, Dec. 14, 2006(Ad̲h̲ān; "announcement," a technical term for the call to the divine service of Friday and the five daily ṣalāts)
found: Encyclopedia of Islam and the Muslim World Online, Dec. 14, 2006(Adhan (call signaling prayer times))
found: Wikipedia, Dec. 14, 2006(Adhan (azaan, adhān [in Ara.], ad̲ān, adhaan, azan), Islamic call to prayer, recited by the muezzin)