Pejohiyar is a powerful research tool that helps users to collect, organize and analyze their scientific sources easily and then, relying on it, they can properly document the results of their research based on their desired citation style. themselves in the form of books, dissertations and articles. This software has many capabilities, including storing and classifying information, taking notes, using different tags, searching for stored information, etc. Also, the researcher has a strong link with online resources.