1. Department of Mathematics, Universitas Islam Negeri Sumatera Utara, Medan, Indonesia
2. Department of Pharmacology, Saveetha Dental College and Hospital, Saveetha Institute of Medical and Technical Sciences, Chennai, India
3. Department of Development and Operation of Oil and Gas Fields, Tyumen Industrial University, Tyumen, Russia
4. Department of Civil and Environmental Engineering, Shiraz University, Shiraz, Iran
5. Department of Computer Education and Instructional Technologies, Eastern Mediterranean University (EMU), Famagusta, Cyprus
6. Data Science & Computational Intelligence Research Group, Universitas Sumatera Utara, Medan – 20155, Indonesia