Nita Maghfiratul Jannah (Faculty of Languages, Arts and Culture, Universitas Negeri Yogyakarta)
Kurnia Lestari (Faculty of Languages, Arts and Culture, Universitas Negeri Yogyakarta)
Gregorius Jhonathan (Faculty of Languages, Arts and Culture, Universitas Negeri Yogyakarta)
Murni Sekar Pinilih (Faculty of Languages, Arts and Culture, Universitas Negeri Yogyakarta)
Ari Nurhayati (Faculty of Languages, Arts and Culture, Universitas Negeri Yogyakarta)
Margana Margana (Faculty of Languages, Arts and Culture, Universitas Negeri Yogyakarta)
Gina Mahira (Universitas Pembangunan Nasional "Veteran" Jakarta, Indonesia)
Asep Kamaluddin (Universitas Pembangunan Nasional "Veteran" Jakarta, Indonesia)
Istingatun Mahfiroh (Departemen Pendidikan Bahasa Inggris, Universitas Negeri Yogyakarta, Indonesia)
Siti Mahripah (English Education Program, Faculty of Arts and Languages, Yogyakarta State University, Indonesia)