1. Department of Electrical Engineering and Informatics, Vocational College, Universitas Gadjah Mada, Yogyakarta 55281, Indonesia
2. Department of Data Science, Sejong University, Seoul 05006, Republic of Korea
3. Industrial and System Engineering School, Telkom University, Bandung 40257, Indonesia
4. Faculty of Business and Law, Coventry University, Coventry CV1 5FB, UK
5. Faculty of Electrical and Electronic Engineering, Phenikaa University, Yen Nghia, Ha Dong, Hanoi 12116, Vietnam
6. Department of Artificial Intelligence, Sejong University, Seoul 05006, Republic of Korea