Formation : Ibn Hajar Al-Asqalani
Source : http://www.islamhouse.com/p/291282
Formation : Sheikh-ul-Islam ibn Taymiyyah
Source : http://www.islamhouse.com/p/250901
Formation : Muhammad ibn Saleh al-Othaimeen
Reveiwers : Muhammad AbdulRaoof
Source : http://www.islamhouse.com/p/313862
From issues : Al-Haramain Foundation
Source : http://www.islamhouse.com/p/1291
Formation : Muhammad Salih Al-Munajjid
From issues : http://www.islamqa.com - Islam : Question & Answer Website
Source : http://www.islamhouse.com/p/1339