Sutarno Sutarno, Universitas Bengkulu (UNIB), Indonesia

Rif'at Shafwatul Anam, STKIP Sebelas April Sumedang, Indonesia

Bagus Ardi Saputro, Department of Mathematics Education Universitas Sriwijaya, Palembang, South Sumatra, Indonesia, Indonesia

Muhyiatul Fadilah, Universitas Negeri Padang, Indonesia

Ilah Nurlaelah, Universitas Kuningan, Indonesia