Siti Supeni
Agung Y. Nugroho, International Relations, Faculty of Social Science, Slamet Riyadi University, Surakarta, Cental Java, Indonesia
Aris Eddy Sarwono, Accounting, Faculty of Economics, Slamet Riyadi University, Surakarta, Central Java, Indonesia
Daryono
Ermawati, Agrotechnology Study Program, Faculty of Agriculture, Univ. Tamansiswa Padang
Fenti Risti Saputri
Fitriana Pangesti, Communication Science, 17 Agustus 1945 University, Jakarta, Indonesia
Gunarto
Hartiwiningsih
Jeferson Kameo
Paskalis Limur
Priyono, Agrotechnology, Faculty of Agricultere, Slamet Riyadi University, Surakarta, Cental Java, Indonesia
Rispantyo, Faculty of Economics, Universitas Slamet Riyadi, Surakarta, Indonesia
Riyani, Department of English Language, Faculty of Teacher Training and Education, Slamet Riyadi University, Middle Java, Surakarta
Riyani, English Language Education, Faculty of Teacher Training and Education, Slamet Riyadi University, Surakarta, Cental Java, Indonesia
Sri Handayani, Department of English Language, Faculty of Teacher Training and Education, Slamet Riyadi University, Middle Java, Surakarta
Sri Handayani, English Language Education, Faculty of Teacher Training and Education, Slamet Riyadi University, Surakarta, Cental Java, Indonesia
Sumarmi, Agrotechnology, Faculty of Agricultere, Slamet Riyadi University, Surakarta, Cental Java, Indonesia
Suwardi
Suyahman
Teguh Prasetyo
Widiastuti
Yorina An’guna Bansa, English Teaching Department, Universitas Muhammadiyah Jambi, Kota Jambi, Sumatra, Indonesia
Zahanis, Agrotechnology Study Program, Faculty of Agriculture, Univ. Tamansiswa Padang