@unpublished{repository17162,
            year = {2019},
       publisher = {Universitas Muhammdiyah Prof. DR. Hamka},
           month = {February},
            note = {Unpublished},
           title = {Petunjuk Praktikum Struktur Hewan},
             url = {http://repository.uhamka.ac.id/id/eprint/17162/},
          author = {Yuni, Astuti}
}