@book{Nadiyah198610822,
  title     = {Al-Ijtihad Fi Al-Islam Ushuluh-Ahkamuh-Afakuh},
  author    = {Nadiyah Syarif Al-Umri},
  publisher = {Muassasah Ar-Risalah},
  year      = {1986},
  isbn      = {-},
}