Amrin Saragih (Google Scholar) (Sinta ID), Professor of Linguistic, Universitas Negeri Medan, Sumatera Utara-Indonesia
Tengku Silvana Sinar (Scopus) (Google Scholar) (Sinta ID), Professor of Linguistic, Universitas Sumatera Utara, Sumatera Utara-Indonesia
Hasnah Faizah (Google Scholar) (Sinta ID), Professor of Linguistic, Universitas Riau, Riau-Indonesia
Eva Tuckyta Sari Sujatna (Scopus ID: 56951090400) (Google Scholar) (Sinta ID), Professor of Linguistic, Department of Linguistics, Universitas Padjadjaran, Jawa Barat-Indonesia
Sawirman (Google Scholar) (Sinta ID), Faculty of Cultural Studies, Universitas Andalas, Sumatera Barat-Indonesia
Sailal Arimi (Google Scholar) (Sinta ID), Faculty of Cultural Studies, Universitas Gadjah Mada, Yogyakarta-Indonesia
Deri Sis Nanda (Google Scholar) (Sinta ID), Universitas Bandar Lampung, Lampung-Indonesia