Sumiati, Sumiati. “Teaching Creative and Environmentally Friendly Ecoprint to Early Childhood Education Students in Katingan Kuala District, Katingan Regency”. Jurnal Ilmiah Kanderang Tingang 15, no. 1 (June 20, 2024): 186-193. Accessed August 26, 2025. https://www.chem-upr.education/ojs/index.php/JIKT/article/view/325.