Tjatur Marti Susilawati (SMP Negeri 2 Tegalrejo
Dusun Sidorejo, Karangduren, Tegalrejo Kabupaten Magelang, 56192, Indonesia)
Suhardi Suhardi (Department of Indonesian Language and Literature Education, Universitas Negeri Yogyakarta, Indonesia)
Sukma Sukma (Department of Applied Linguistics, Graduate School of Universitas Negeri Yogyakarta
Jalan Colombo No. 1, Karangmalang, Yogyakarta 55281, Indonesia)
Haryadi Haryadi (Department of Indonesian Language and Literature Education, Universitas Negeri Yogyakarta, Indonesia)