This issue consists of 7 articles from 13 authors affiliated with 8 institutions from 5 countries including:

• Japan (Osaka University)
• Russia (Moscow Polytechnic University)
• Nigeria (Al-Hikmah University Ilorin)
• Malaysia (International Islamic University of Malaysia; Universiti Kebangsaan Malaysia)
• Indonesia (Universitas Indonesia, Universitas Pendidikan Indonesia, Universitas Jendral Soedirman)

This issue consists of 7 articles from 11 authors affiliated with 9 institutions from 4 countries including:

• Indonesia (Universitas Negeri Semarang, Universitas Pendidikan Indonesia, Universitas Negeri Surabaya)
• Bangladesh (Nizam Uddin Ahmed Model College)
• Nigeria (Al-Hikmah University, Ilorin)
• India (Ministry of Education of India, Sant Ramdas Art's, Commerce and Science College)

This issue consists of 7 articles from 14 authors affiliated with 5 institutions from 2 countries including:

• Indonesia (Universitas Pendidikan Indonesia, Universitas Brawijaya, Universitas Padjajaran, Darma Persada University)
• Japan (Kanazawa University)

This issue consists of 7 articles from 15 authors affiliated with 7 institutions from 2 countries including:

• Indonesia (Universitas Negeri Semarang, Universitas Darma Persada, Universitas Brawijaya, Universitas Negeri Jakarta, Universitas Mahasaraswati, Muhammadiyah University Prof. Dr. Hamka)
• Japan (Prefectural University of Hiroshima)

This issue consists of 7 articles from 12 authors affiliated with 6 institutions from 2 countries including:

• Indonesia (Bina Nusantara University, Brawijaya University, Universitas Pendidikan Indonesia, Universitas Padjadjaran, Universitas Negeri Manado)
• Japan (Osaka University)

This issue consists of 6 articles from 11 authors affiliated with 6 institutions including Universitas Padjadjaran, Universitas Jenderal Soedirman, Universitas Brawijaya, Universitas Indonesia, Universitas Pendidikan Indonesia, and Muhammadiyah Prof. DR HAMKA University.

This issue consists of 7 articles from 17 authors affiliated with 7 institutions from 2 countries including:

• Indonesia (Universitas Pendidikan Ganesha, Universitas Jenderal Soedirman, Universitas Indonesia, Universitas Pendidikan Indonesia, Universitas Negeri Jakarta, Universitas Muhammadiyah Yogyakarta)
• Japan (Hiroshima University)

This issue consists of 7 articles from 16 authors affiliated with 7 institutions from 2 countries including:

• Indonesia (Universitas Negeri Jakarta, Universitas Padjajaran, Universitas Pendidikan Ganesha, STBA YAPARI-APA Bandung, Universitas Jenderal Soedirman)
• Japan (Hiroshima University, Chou University)

This issue consists of 7 articles from 15 authors affiliated with 6 institutions from 2 countries including:

• Indonesia (Universitas Padjajaran, Universitas Brawijaya, Universitas Pendidikan Indonesia, Universitas Muhammadiyah Yogyakarta, Universitas Pendidikan Ganesha)
• Japan (Gunma University)

This issue consists of 7 articles from 12 authors affiliated with 8 institutions from 2 countries including:

• Indonesia (Universitas Darma Persada, Universitas Negeri Jakarta, Universitas Negeri Semarang, STBA YAPARI-APA Bandung, Universitas Pendidikan Indonesia, Universitas Pendidikan Ganesha)
• Japan (Hiroshima University, Kyushu University)

This issue consists of 7 articles from 10 authors affiliated with 7 institutions from 2 countries including:

• Indonesia (Universitas Pendidikan Indonesia, Universitas Sumatera Utara, Universitas Negeri Jakarta, Universitas Brawijaya)
• Japan (University of Tokyo, Hiroshima University, Nagoya University)

This issue consists of 7 articles from 13 authors affiliated with 6 institutions including Universitas Jenderal Soedirman, Universitas Komputer Indonesia, UNTAG, Universitas Brawijaya, Universitas Pendidikan Indonesia, and Universitas Negeri Semarang.

This issue consists of 7 articles from 11 authors affiliated with 6 institutions including Universitas Diponegoro, Universitas Dian Nuswantoro, Universitas Negeri Jakarta, Universitas Pendidikan Indonesia, Universitas Muhammadiyah Yogyakarta, and Universitas Negeri Manado.

This issue consists of 7 articles from 11 authors affiliated with 6 institutions including SMA Kopri Bekasi, Universitas Pendidikan Indonesia, SMAN 21 Bandung, Universitas Muhammadiyah Yogyakarta, SMAN 10 Bandung, and Universitas Negeri Padang.

This issue consists of 8 articles from 17 authors affiliated with 1 institutions including Universitas Pendidikan Indonesia.

This issue consists of 15 articles from 30 authors affiliated with 2 institutions including Universitas Pendidikan Indonesia and Universitas Darma Persada.

This issue consists of 10 articles from 22 authors affiliated with 1 institutions including Universitas Pendidikan Indonesia.