Kurniawati, Erga, Thayban Thayban, La Alio, and Kostiawan Sukamto. “Virtual Vs Concrete Media: Improving Representation Competence”. Jurnal Ilmiah Kanderang Tingang 14, no. 1 (January 19, 2023): 102-111. Accessed August 24, 2025. https://chem-upr.education/ojs/index.php/JIKT/article/view/189.