Kiel, Yishai, and Prods Oktor Sklaervø. “Apostasy and Repentance in Early Medieval Zoroastrianism”. Journal of the American Oriental Society 137, no. 2 (December 16, 2021): 221–243. Accessed August 20, 2022. https://lockwoodonlinejournals.com/index.php/jaos/article/view/1250.