“Inside the Black Box of the Islamic financial decision: Designing a Paying for Performance contracts with Agency Problems, Incentives and asymmetry of information”, GJMBR, vol. 20, no. C4, pp. 55–76, Sep. 2020, Accessed: Aug. 08, 2026. [Online]. Available: https://journalofbusiness.org/index.php/GJMBR/article/view/3303