@article{ author = {zargoshnasab, abdoljabar, alimohammadi, Taher, Gheybi, Masoumeh}, title = {An Investigation of Jurisprudence Principals of Unfixed Taxes}, journal = {Islamic Law & Jurisprudence Researches}, year = {2017}, volume = {11}, issue = {38}, pages = {93-116}, doi = {}, url = {https://sanad.iau.ir/fa/Article/962571} }