@unpublished{repository8931,
          school = {Universitas Muhammadiyah Prof. Dr. Hamka},
           title = {Sistem Akuntansi Piutang pada 
PT Arga Bangun Bangsa},
           month = {July},
            note = {Unpublished},
            year = {2021},
          author = {Lestari, Trimah Desy Lestari and Sumardi, Sumardi},
             url = {http://repository.uhamka.ac.id/id/eprint/8931/}
}