Hanifah, Hesty Nuur, Ginayanti Hadisoebroto, and Mochammad Taufik Sukmanaputra. “Calcined Duck Eggshells As Sustainable Adsorbents for Lead Removal from Laboratory Waste”. ITB Graduate School Conference 4, no. 1 (January 20, 2025). Accessed December 7, 2025. https://gcs.itb.ac.id/proceeding-igsc/index.php/igsc/article/view/349.