@manual{repository12998,
           title = {E-Sertifikat pembicara proceding di Urecol 2021},
            type = {Documentation},
       publisher = {Konsorsium LPPM PTMA},
          author = {Bambang, Dwi Hartono},
             url = {http://repository.uhamka.ac.id/id/eprint/12998/}
}