1. Prof. Dr. Drs. Sanggam Siahaan, M.Hum, Google Scholar, Scopus

2. Prof. Dr. Milisi Sembiring, M.Hum,  Google Scholar, Scopus

3. Prof. Dr. Effendi Barus, Ph.D, Google Scholar, Scopus

4. Prof. Dr. Himpun Panggabean, M. Hum, Google Scholar, Scopus

5. Dr. Erikson Saragih, M.Hum, Google Scholar, Scopus

6. Dr. Lastri Wahyuni Manurung, S.Pd.,M.Hum, Google Scholar, Scopus

7. Dr. Kammer T Sipayung, M.Pd , Google Scholar, Scopus

8. Dr. Hilman Pardede., M.Hum , Google Scholar, Scopus

9. Dr. Sahlan Tampubolon., M.Hum , Google Scholar, Scopus

10. Godwill Chenyuei Akwene, Ph.D, Google Scholar, Scopus

11. Balazs Huszka, Ph.D, Google Scholar, Scopus

12. Yinghuei Chen, Ph.D, Google Scholar, Scopus