Formation : Muhammad Salih Al-Munajjid
From issues : Islamic Propagation Office in Rabwah
Source : http://www.islamhouse.com/p/1359
Formation : Sheikh-ul-Islam ibn Taymiyyah
From issues : http://www.dar-alsalam.com - Darussalam Publications Website
Source : http://www.islamhouse.com/p/177572
Source : http://www.islamhouse.com/p/325002
Source : http://www.islamhouse.com/p/250705
Formation : Abdurrahman bin Hammad Alomar
Source : http://www.islamhouse.com/p/207075