List of Articles Unfixed tax Open Access Article Abstract Page Full-Text 1 - An Investigation of Jurisprudence Principals of Unfixed Taxes abdoljabar zargoshnasab Taher alimohammadi Masoumeh Gheybi Open Access Article Abstract Page Full-Text 2 - A Reflection on the Legitimacy of Tax on Gift Based on Islamic Jurisprudence Abdollah Bagheri Sayyad Mohammad Sadegh Ahmadi Gholam Hossin Masoud 10.22034/ijrj.2020.671693