Margaret Stevani (Universitas Pembinaan Masyarakat Indonesia, Indonesia)
Murad Sawalmeh (Dhofar University, Oman)
Alexander Adrian Saragi (Universitas Negeri Makassar, Indonesia)
Evi Martiningsih (Politeknik Angkatan Laut, Indonesia)
Rinovian Rais (Universitas Indraprasta PGRI Jakarta, Indonesia)
Norasiah Norasiah (Universitas Negeri Yogyakarta, Indonesia)
Dimiar Ariesinta (Universitas Negeri Yogyakarta, Indonesia)
Queen Fiqi Ardlillah (Universitas Negeri Yogyakarta, Indonesia)
Jamilah Jamilah (Universitas Negeri Yogyakarta, Indonesia)
Ashadi Ashadi (Universitas Negeri Yogyakarta, Indonesia)
Amalia Ilmi Fitriyanti (Yogyakarta State University, Indonesia)
Joko Priyana (Yogyakarta State University, Indonesia)
Yeni Artanti (Yogyakarta State University, Indonesia)
Agwin Degaf (Universitas Islam Negeri Maulana Malik Ibrahim Malang, Indonesia)
Hadjirah Raveloarinirina (Department of Applied Linguistics, Graduate School of Universitas Negeri Yogyakarta, Madagascar)
Asruddin Barori Tou (Department of Applied Linguistics, Graduate School of Universitas Negeri Yogyakarta, Indonesia)