The Book of Prayers (Kitab Al-Salat)

Muslim :: Book 4 : Hadith 1915

Abu Huraira reported Allah's Messenger (may peace be upon him) as saying: When any one of you observes the Jumu'a prayer (two obligatory rak'ahs in congregation), he should observe four (rak'ahs) afterwards.

Source materials are from the University of Southern California MSA site
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