@book{Oni201915311,
  title     = {Ushul Fikih Muamalah: Kaidah-Kaidah Ijtihad dan Fatwa dalam Ekonomi Islam},
  author    = {Oni Sahroni},
  publisher = {Rajawali Pers},
  year      = {2019},
  isbn      = {978-602-425-011-9},
}