Ahmed, Dina, Department of Chemical Industries, Institute of Technology-Baghdad, Middle Technical University (Iraq)
Ahmed, Waled Abdo, Department of Chemistry, Faculty of Education, Dhamar University, Dhamar (Yemen)
Al-Sabbagh, Akram, Department of Mathematics and Computer Applications, College of Science, Al-Nahrain University, Baghdad (Iraq)
Aznam, Nurfina, Department of Chemistry Education, Universitas Negeri Yogyakarta (Indonesia)