Prof. Chunn-Ying Lin, National Dong Hwa University, Taiwan (Scopus ID: 55772900300)
Sonja Baulecke, University of Oldenburg, Germany 
Beni Setiawan, Ph.D. Universitas Negeri Surabaya, Indonesia (Scopus ID: 60162516500)
Abdul Halim, Ph.D. Universitas Muhammadiyah Kalimantan Timur, Indonesia (Scopus ID: 57392429100 )
Mohammad Romadhoni, Ph.D. National Dong Hwa University, Taiwan (Scopus ID: 58405926600)
Hui-Hua Chen, Ph.D., National Dong Hwa University, Taiwan, Scopus (ID: 35742845900)

Wachidi Wachidi, (Scopus ID: 57216754985 ; Sinta ID: 6042785) Universitas Bengkulu, Indonesia

Prof. Anik Ghufron, (Scopus ID: 57204199426; Sinta ID: 5989006) Universitas Negeri Yogyakarta

Prof. Dr. Anam Sutopo, (SCOPUS ID: 57201580362, Sinta ID: 6105260) Faculty of Teacher Training and Education, Universitas Muhammadiyah Surakarta, Indonesia

Anang Wahid M. Diah, (Scopus ID: 55390583500; Sinta ID: 5979716) Universitas Tadulako, Indonesia

Anni Holila Pulungan, (Sinta ID: 6005719) Universitas Negeri Medan, Indonesia

Erwin Akib, (Scopus ID: 56610243500; Sinta iD: 6000692) Universitas Muhammadiyah Makassar, Indonesia

Hardika Dwi Hermawan, (SCOPUS ID: 57188832665, SINTA ID: 6084563), Universitas Muhammadiyah Surakarta, Indonesia

Sugeng Riyanto, Fakultas Keguruan dan Ilmu Pendidikan, Universitas Ahmad Dalan (Scopus ID 57215918423; Sinta ID 5986486), Indonesia

Iswan Iswan, (Scopus ID: 57193793118; Sinta ID: 5979572) Universitas Muhammadiyah Jakarta, Indonesia

Koesoemo Ratih, Ph.D., (SCOPUS ID: 100640250, ID SINTA: 6020516) Faculty of Teacher Training and Education, Universitas Muhammadiyah Surakarta, Indonesia

Laili Etika Rahmawati, (SCOPUS ID: 57202219184) Universitas Muhammadiyah Surakarta, Indonesia

Muhammad Rohmadi, (Scopus ID: 56177755400; ID Sinta: 6008181) Universitas Sebelas Maret, Indonesia

M Muhtadi, (Scopus ID: 15061914300, Universitas Muhammadiyah Surakarta), Indonesia

Tommi Yuniawan, (Scopus ID: 57212031644; Sinta ID: 5985482) Universitas Negeri Semarang, Indonesia