HARTININGRUM, Esty Saraswati Nur; MAARIF , Safiil. Pelatihan Siswa MI Dalam Menggunakan The Power of Bottle Cap Untuk Operasi Hitung. Community Education Engagement Journal, [S. l.], v. 4, n. 2, p. 1–9, 2023. DOI: 10.25299/ceej.v4i2.10009. Disponível em: https://journal.uir.ac.id/index.php/ecej/article/view/10009. Acesso em: 18 may. 2024.