@book{Muhammad2010509,
  title     = {Ensiklopedia Leadership dan Manajemen Muhammad SAW The Super Leader Super Manager-Kepemimpinan dan Pengembangan Diri V.1},
  author    = {Muhammad Syafii Antonio},
  publisher = {Tazkia},
  year      = {2010},
  isbn      = {978-979-16712-2-4},
}