Efektivitas Pembelajaran Daring Melalui Whatsapp Group Terhadap Kemampuan Pemahaman Konsep Matematis Siswa. JURNAL PENA EDUKASI, [S. l.], v. 8, n. 1, p. 1–6, 2021. DOI: 10.54314/jpe.v8i1.491. Disponível em: https://jurnal.goretanpena.com/index.php/JPE/article/view/491.. Acesso em: 4 sep. 2026.