Abdi Seyyedkolaee M, Zaroki S, Roshan Y. The Role of Islamic Contracts Credits in Private Investment in Iran: An Application of Threshold Regression Approach. jjes [Internet]. 2021 Jun. 30 [cited 2026 Feb. 26];8(2). Available from: https://archives.ju.edu.jo/index.php/jjes/article/view/107221