@unpublished{repository9344,
            note = {Unpublished},
           title = {Artikel Jurnal Ferns IOP Pteridophyta},
       publisher = {UHAMKA},
             url = {http://repository.uhamka.ac.id/id/eprint/9344/},
          author = {Yarza, Husnin Nahry and Susilo, Susilo}
}