1. Department of Biology Education, Faculty of Teacher Training and Education, Universitas Muhammadiyah Malang, Malang, INDONESIA
2. Department of Biology, Faculty of Mathematics and Natural Sciences, Universitas Negeri Malang, Malang, INDONESIA
3. Department of Chemistry, Faculty of Mathematics and Natural Sciences, Universitas Negeri Malang, Malang, INDONESIA
4. Department of Chemistry, Faculty of Science, Universiti Teknologi Malaysia, Johor Bahru, MALAYSIA
5. Science Education Center, National Taiwan Normal University, Taipei City, TAIWAN