AMALIA, Sayida. Media Google Classroom Berbantuan Whatsapp terhadap Hasil Belajar Matematika Siswa MTs. Plusminus: Jurnal Pendidikan Matematika, [S. l.], v. 2, n. 2, p. 211–220, 2022. DOI: 10.31980/plusminus.v2i2.1098. Disponível em: https://journal.institutpendidikan.ac.id/index.php/plusminus/article/view/1098. Acesso em: 9 jan. 2025.