Verified Source
The Collection
The Ruling of the Worshipped on What Is Permissible to Prostrate on according to the Quran and Sunnah
حكم المعبود فيما يصح عليه السجود على ضوء القرآن والسنة
Hukm al-Maʿbūd fīmā Yaṣiḥ ʿalayhi al-Sujūd ʿalā Ḍawʾ al-Qurʾān wa'l-Sunna
Adel Alalawy