Congregational Prayer and Its Virtue
Man Lā Yaḥḍuruh al-Faqīh|Volume 1|Book 1|Chapter 57
وَقَالَ اَلصَّادِقُ عَلَيْهِ اَلسَّلاَمُ: «أَذِّنْ خَلْفَ مَنْ قَرَأْتَ خَلْفَهُ.
Imam Jafar ibn Muhammad Al-Sadiq عليه السلام said: "Give the call to prayer (adhan) behind the one you recited the prayer behind”.
- Ṣaḥīḥ al-Faqīh