Che Abdullah, Ahmad Sufyan. 2011. “KONTRAK MUSAMMA JUSTIFIKASINYA DALAM TRANSAKSI KEWANGAN ISLAM SEMASA: Nominate Contracts: Its Justifications in Contemporary Islamic Financial Transactions”. Jurnal Syariah 19 (3):283-300. https://ojie.um.edu.my/index.php/JS/article/view/22634.