1. Department of Chemistry, Abai Kazakh National Pedagogical University, Almaty, Republic of Kazakhstan
2. Department of Natural Science and Mathematics Education, Republican Institute for Advanced Studies and Retraining of Pedagogical Workers under Ministry of Education and Science of the Kyrgyz Republic, Bishkek, Kyrgyz Republic
3. Department of Chemistry and Chemical Technology, K. Zhubanov Aktobe Regional University, Aktobe, Republic of Kazakhstan