Saad, Muhammad, Fast School of Management, National University of Computer and Emerging Sciences, Pakistan
Samuel Oluwaseyi, Olorunfemi,, Department of Transport Management Technology , Federal University of Technology Akure, Nigeria
Serteva, D., Medical Faculty, Department of general and clinical pathology, Medical University – Plovdiv, Bulgaria
Shallal, Muhammed Abdel Hasan, M.Sc in Chemistry , Assist .Lecturer ,Thiqar Government ,Iraq
Skopec, Robert, De Dubnik, Researcher-analyst, Slovakia

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