al-Nashawi, Nasir Ahmad Ibrahim Bay' al-dayn : dirasah fi fiqh al-shari'ah al-Islamiyah / Nasir Ahmad Ibrahim al-Nashawi - al-Iskandariyah : Dar al-Fikr al-Jami'i, 2007 - 340 p. ; 24 cm. ISBN: RM87.00 Subjects--Topical Terms: Sales, Conditional (Islamic law)Debtor and creditor (Islamic law)