WAJDI, Badrul. PENGARUH PENGGUNAAN METODE PEMBELAJARAN KOOPERATIF TIPE SNOWBALL THROWING TERHADAP PRESTASI BELAJAR SISWA PADA MATERI ALAT-ALAT OPTIK KELAS VIII MTS NW LOYOK. Educatio, [S. l.], v. 5, n. 2, p. 30–42, 2010. DOI: 10.29408/edc.v5i2.119. Disponível em: https://e-journal.hamzanwadi.ac.id/index.php/edc/article/view/119. Acesso em: 27 sep. 2024.