@book{repository1240,
       publisher = {EduCenter Indonesia},
           title = {Kimia Lingkungan Berbasis Masalah Kekinian},
           month = {July},
            year = {2017},
            isbn = {9786025282362},
          author = {Yusuf, Yusnidar},
             url = {http://repository.uhamka.ac.id/id/eprint/1240/}
}