Primatika : Jurnal Pendidikan Matematika (p-ISSN: 2302-4518, e-ISSN: 2622-0911) is an open-access and peer-reviewed online journal published by Department of Mathematics Education, Faculty of Teacher Training and Education, Universitas Mulawarman. This journal would be published two times in a year (June, and December). For information and services editorial information please contact primatika@fkip.unmul.ac.id