@unpublished{repository4089,
           title = {Mata Kuliah Ilmu Alamiah Dasar 2 SKS},
            note = {Unpublished},
       publisher = {UNIVERSITAS MUHAMMADIYAH PROF. DR. HAMKA},
             url = {http://repository.uhamka.ac.id/id/eprint/4089/},
        abstract = {Mahasiswa mampu memahami tentang jagat raya dan proses alam semesta},
          author = {Ali Sya'ban, Ali}
}