You can use Ulrich's Periodical Directory Online to verify whether a journal is peer-reviewed/refereed (a type of scholarly publication)
Evaluate this article:
"Writing the Biography of the Prophet Muhammad: Problems and Solutions."
Use the Library's Research Guides to identify relevant article-databases for your topic
Search ATLA Religion Database for peer-reviewed items on Zoroastriansim and Avesta
Search Index Islamicus for peer-reviewed items on Muhammad and biography
Sample Topic: Zoroaster and avesta
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