@book{Fatkhul201912198,
  title     = {Sosialisme Islam H.O.S. Tjokroaminoto: Pergumulan Pemikiran Hasbie dan Hamka},
  author    = {Fatkhul Mujib E.M.},
  publisher = {Al-Hikam Press},
  year      = {2019},
  isbn      = {978-602-5014-94-9},
}