?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.au=Abdul+Qoyum%2C+-&rft.aulast=Abdul+Qoyum&rft.aufirst=-&rft.date=2010&rft.title=The+Effectiveness+of+Rating+System+to+Measure+Default+Risk+in+Islamic+Bond+The+Case+of+Islamic+Bond+Rating+System+in+Indonesia&rft.genre=proceeding