HERAVI, Farid Ahmad; AYUOBI, Nasir Ahmad. Istisna Contract in Islamic Banking in Afghanistan: A New Instrument for Financing Infrastructure Projects and Sustainable. Journal of Social Sciences - Kabul University, [S. l.], v. 9, n. 1, p. 1–29, 2026. DOI: 10.62810/jss.v9i1.285. Disponível em: https://jss.edu.af/jss/article/view/285. Acesso em: 2 jul. 2026.