@misc{repository6121,
           title = {Sertifikat Hak Kekayaan Intelektual dr. Bety Semara Lakhsmi, MKM.},
            year = {2020},
           month = {April},
            note = {Sertifikat HAKI dr. Bety Semara Lakhsmi, MKM},
             url = {http://repository.uhamka.ac.id/id/eprint/6121/},
          author = {Lakhsmi, Bety and Indriyati, Leli Hesti}
}