1. Chemistry Department, Faculty of Mathematics and Science, Universitas Negeri Malang, Jl. Semarang 5, Malang, 65145, Jawa Timur, Indonesia
2. Curriculum and Instruction Department, Faculty of Education, University of Jeddah, H5JC+22W, Raihanat Al Jazirah, Al Faisaliyyah, Jeddah, 23442, Saudi Arabia