[[law]] --- https://onlinelibrary.wiley.com/doi/10.1002/9781118785539.ch17 https://www.iranicaonline.org/articles/family-law ## 4 sources of law https://brill.com/view/journals/ils/12/3/article-p291-1.xml?language=en https://www.jstor.org/stable/3399405 https://www.researchgate.net/publication/233671125-The-Four-Sources-of-Law-in-Zoroastrian-and-Islamic-Jurisprudence