1. Universitas Syiah Kuala,Faculty of Mathematics and Natural Sciences,Department of Informatics,Banda Aceh,Indonesia
2. Universitas Abulyatama,Faculty of Health Sciences,Department of Occupational Health and Safety,Aceh Besar,Indonesia
3. Universitas Syiah Kuala,Faculty of Mathematics and Natural Sciences,Department of Statistics,Banda Aceh,Indonesia
4. Universitas Syiah Kuala,Faculty of Mathematics and Natural Sciences,Department of Chemistry,Banda Aceh,Indonesia