HALAMAN PERSETUJUAN Artikel oleh : ................................................................................................. NIM : ................................................................................................. Jurusan/ Prodi : Kimia/ Pendidikan Kimia Judul : ................................................................................................ ................................................................................................ ................................................................................................ ................................................................................................ Telah dikoreksi dan disetujui untuk dimuat dalam jurnal on-line Unesa Journal of Chemical Education Dosen Pembimbing Tanda Tangan