@phdthesis{UNY14457,
           month = {December},
          author = {Purwoko Haryadi Santoso},
           title = {Pengembangan LKPD Disscussion and Determination berbasis
Model Pembelajaran Curious Note Program (CNP) Guna Memfasilitasi Kemampuan Merancang Eksperimen Peserta Didik SMA Materi Hukum Newton tentang Gravitasi},
          school = {Universitas Negeri Yogyakarta},
            year = {2014},
             url = {http://eprints.uny.ac.id/14457/}
}