#### Chief Editor

Sigit Nugroho, Mathematics Department, Faculty of Mathematics and Natural Sciences, University of Bengkulu

#### Managing Editor

Ramya Rachmawati, Mathematics Department, Faculty of Mathematics and Natural Sciences, University of Bengkulu

Nur Afandi, Mathematics Department, Faculty of Mathematics and Natural Sciences, University of Bengkulu

#### Section Editor

Jose Rizal, Mathematics Department, Faculty of Mathematics and Natural Sciences, University of Bengkulu

Dyah Setyo Rini, Mathematics Department, Faculty of Mathematics and Natural Sciences, University of Bengkulu

Winalia Agwil, Mathematics Department, Faculty of Mathematics and Natural Sciences, University of Bengkulu

Dian Agustina, Mathematics Department, Faculty of Mathematics and Natural Sciences, University of Bengkulu

#### Copy Editor

Septri Damayanti, Mathematics Department, Faculty of Mathematics and Natural Sciences, University of Bengkulu

Nurul Hidayati, Mathematics Department, Faculty of Mathematics and Natural Sciences, University of Bengkulu

#### Layout Editor

Firdaus, Mathematics Department, Faculty of Mathematics and Natural Sciences, University of Bengkulu

Riwi Dyah Pangesti, Mathematics Department, Faculty of Mathematics and Natural Sciences, University of Bengkulu