Rifli, D. F., M. Maulana, S. Suhendra, and S. Ningsih. “Calcium Oxide Nanoparticles for Chromium (VI) Adsorption: Green Synthesis and Adsorption Studies”. ITB Graduate School Conference, vol. 4, no. 1, Jan. 2025, https://gcs.itb.ac.id/proceeding-igsc/index.php/igsc/article/view/358.