Ellis Salsabila (Study Program of Mathematics Education, Universitas Negeri Jakarta, East Jakarta, Indonesia)
Mimi Nur Hajizah (Study Program of Mathematics Education, Universitas Negeri Jakarta, East Jakarta, Indonesia)
Mohammad Saeful Amri (SMP Budi Mulia Dua Yogyakarta
Jl. Raya Tajem Panjen, Wedomartani, Ngemplak, Sleman, Yogyakarta, Indonesia)
Agus Maman Abadi (Departement of Mathematics, Universitas Negeri Yogyakarta, Indonesia)