1. Mahardhika Pratama, University of South Australia, Australia [Google Scholar, Scopus ID]
  2. Indah Agustien Siradjuddin, Universitas Trunojoyo Madura, Indonesia [Google Scholar]
  3. Raden Arief Setiawan, Universitas Brawijaya, Indonesia [Google Scholar]
  4. Feni Isdaryani, Kyoto University, Jepang [Scopus ID]
  5. Hendi Purnata, Politeknik Negeri Cilacap, Indonesia [Google Scholar]
  6. Novendra Setiawan, Universitas Muhammadiyah Malang, Indonesia [Sinta ID]
  7. Qirom, Politeknik Harapan Bersama, Indonesia [Google Scholar]