Formation : Said Ali ibn Wahf AI-Qahtaani
Source : http://www.islamhouse.com/p/1590
Source : http://www.islamhouse.com/p/191551
From issues : لجنة الدعوة والتعليم بالمدينة المنورة
Source : http://www.islamhouse.com/p/339836
Source : http://www.islamhouse.com/p/309041
Source : http://www.islamhouse.com/p/161314