@incollection{UNY4191,
       booktitle = {Dinamika Pendidikan},
           title = {Berbagai Macam Problema Tingkah Laku Anak Hiperaktif},
          author = {Dr. Ibnu Syamsi},
       publisher = {FIP IKIP Yogyakarta},
             url = {http://eprints.uny.ac.id/4191/}
}