GOBEL, Maghfira; REGAR, Vivian E.; KUMESAN, Selfie L. Penerapan Strategi Aktif Everyone is a Teacher Here Dalam Pembelajaran Matematika Materi Lingkaran . J-CEKI : Jurnal Cendekia Ilmiah, [S. l.], v. 3, n. 5, p. 3607–3614, 2024. DOI: 10.56799/jceki.v3i5.4810. Disponível em: https://al-haramjournal.co.id/J-CEKI/article/view/4810. Acesso em: 10 aug. 2026.