Allah: The Concept of God in Islam by Yasin T. al-Jibouri

Fundamentals of Knowing God by Reza Berenjkar  

God and His Attributes by Mujtaba Musawi Lari  

God in Islamic Traditions: A Glance at Al-Tawhid by Shaykh al-Saduq, by Karim Aghili  

God of Islam Sayyed Saeed Akhtar Rizvi 

God in the Quran by Muhammad Hosseini Beheshti