1. Department of Chemistry Education, Faculty of Teacher Training and Education, Tadulako University, Palu, Indonesia
2. Department of Chemistry, Faculty of Mathematics and Natural Sciences, Hasanuddin University, Makassar, Indonesia
3. Department of Physics Education, Faculty of Teacher Training and Education, Tadulako University, Palu, Indonesia
4. Department of Biology, Faculty of Mathematics and Natural Sciences, Makassar State University, Makassar, Indonesia
5. Department of Physics, Faculty of Science, Universitas Cokroaminoto Palopo, Palopo, Indonesia
6. Department of Radiology, Toxicology and Population Protection, Faculty of Health and Social Studies, University of South Bohemia Cesk´e Budˇejovice, Czech Republic