About the Authors

Marheny Lukitasari

Faculty of Mathematics and Natural Science Education, IKIP PGRI MADIUN, Madiun, Indonesia

Herawati Susilo

Faculty of Mathematics and Science, State University of Malang, Malang, Indonesia

Ibrohim

Faculty of Mathematics and Science, State University of Malang, Malang, Indonesia

A. Duran Corebima

Faculty of Mathematics and Science, State University of Malang, Malang, Indonesia

Corresponding Author

Email: durancorebima@yahoo.com