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)
Samuel O. Effiom, Fidelis I. Abam, Precious O. Effiom, Thomas O. Magu, Emmanuel E. John, Olusegun D. Samuel, Burhan Saeed, Macmanus C. Ndukwu, Christopher C. Enweremadu, Muhammad Latifur Rochman, Muji Setiyo (Author)