1. Mathematics Department, Faculty of Mathematics and Sciences, Halu Oleo University, Kendari, Indonesia
2. Statistics Department, Faculty of Mathematics and Sciences, Halu Oleo University, Kendari, Indonesia
3. Public Health Department, Faculty of Public Health, Halu Oleo University, Kendari, Indonesia
4. Physics Department, Faculty of Mathematics and Sciences, Halu Oleo University, Kendari, Indonesia
5. Information Engineering Department, Politeknik Indotec Kendari, Kendari, Indonesia