This issue consists of 9 articles from 53 authors affiliated with 26 institutions from 10 countries including:

• Indonesia (Universitas Pendidikan Indonesia, Universitas Islam Riau, Universitas Swadaya Gunung Djati,Universitas Muhammadiyah Magelang, MTs.N 8 Kebumen, Lambung Mangkurat University, Universitas Komputer Indonesia)
• Thailand (Mahasarakham University, Chulalongkorn University, University of the Thai Chamber of Commerce)
• Nigeria (Cross River University of Technology, University of Calabar, Federal University of Petroleum Resources, Michael Okpara University of Agriculture Umudike)
• China (University of Chinese Academy of Science)
• South Africa (University of South Africa)
• United Kingdom (University of Portsmouth)
• South Korea (Konkuk University)
• Morocco (National School of Agriculture, Euro-Mediterranean University of Fes, Ibn Zohr University, National School of Agriculture, Ibn Tofail University)
• Iraq (University of Technology Iraq, Ministry of Electricity Iraq)
• Malaysia (Taylor’s University)