1. Department of Geography Education, Faculty of Teacher Training and Education, Lambung Mangkurat University, H. Hasan Basry Street, Banjarmasin 70123, Indonesia
2. Department of Mathematics, Faculty of Mathematics and Natural Sciences, Gadjah Mada University, North Sekip, Yogyakarta 55281, Indonesia
3. Department of Social Science Education, Faculty of Teacher Training and Education, Lambung Mangkurat University, Hasan Basry Street, Banjarmasin 70123, Indonesia