TY - JOUR AU - khaledi, Pari AU - hakkak, Leila AU - Afshari Kaveh, Mehri TI - Investigating the Impact of Excuses of Impossibility and Difficulty of Contract performance completion on the Lease Contract (with an emphasis on the Corona pandemic) JO - فصلنامه مطالعات میان رشته ای فقه VL - 1 IS - 1 SP - 51 EP - 70 PY - 2021 DO - ER -