@manual{repository12997,
            type = {Documentation},
           title = {sertifikat Presenter  The 2nd Internasinal Conference INSSE 2021},
       publisher = {MM UHAMKA},
            note = {Submitted},
          author = {Bambang, Dwi Hartono},
             url = {http://repository.uhamka.ac.id/id/eprint/12997/}
}