AMEEN, Mahmood M.A.. Legal Alternatives to Sell Gold and Silver by Installments. Koya University Journal of Humanities and Social Sciences, [S.l.], v. 1, n. 1, p. 1-23, aug. 2018. ISSN 2522-3259. Available at: <http://jhss.koyauniversity.org/index.php/jhss/article/view/21>. Date accessed: 16 jan. 2019. doi: https://doi.org/10.14500/kujhss.v1n1y2018.pp1-23.