ALKHARRAZ, AbdalRahman Ebrahim. The effect of emergency conditions theory on istisna'a contract. Journal of Social Sciences (COES&RJ-JSS), [S.l.], v. 9, n. 3, p. 1144.1165, july 2020. ISSN 2305-9249. Available at: <http://centreofexcellence.net/index.php/JSS/article/view/jss.2020.9.3.1144.1165>. Date accessed: 02 dec. 2020. doi: https://doi.org/10.25255/jss.2020.9.3.1144.1165.