“Synthesis and Characterization of Calcium Peroxide from Eggshell Waste As a Citric Acid Potential Adsorbent Material ”. Jurnal Akta Kimia Indonesia (Indonesia Chimica Acta) 19, no. 1 (August 20, 2026): 27–32. Accessed September 4, 2026. https://journal.unhas.ac.id/index.php/ica/article/view/50626.