UMAM, Khoerul; SUPIAT, Supiat. Pengaruh Pembelajaran Kooperatif Tipe STAD dengan Bantuan Website terhadap Kemampuan Pemahaman Konsep Geometri Siswa Kelas VIII. Jurnal Elemen, [S. l.], v. 5, n. 2, p. 170–177, 2019. DOI: 10.29408/jel.v5i2.1297. Disponível em: https://e-journal.hamzanwadi.ac.id/index.php/jel/article/view/1297. Acesso em: 18 jun. 2024.