IslamWorld http://www.islamworld.net/ Islamic Resources - shahadah en The Prerequisites of the Declaration of Faith 2005-12-28 http://www.islamworld.net/docs/condfa.html Certainty: Condition of "La ilaha ill Allah" 2006-03-29 http://www.islaam.com/Article.aspx?id=389 Shahada Confession of a Muslim 2006-03-30 http://muttaqun.com/shahada.html The Meaning Of The Testimony Of Faith 2006-03-30 http://www.al-sunnah.com/testimony.htm