List of Articles Civil and Trade Laws Open Access Article Abstract Page Full-Text 1 - The Effects of Principal Viva Voce and Legal Hermeneutics on Interpreting and Solving the Conflicts between the Laws of Contract of assignment and Bill of Exchange Sadegh Amindehghan Nadi ali Diamond eBRAHIM yAGHOTI 10.22034/ijrj.2022.697874