(1)
Hanifah, S.; Rusnadi, R.; Stiawan, E.; Widianti, R. C. Column Study and Desorption Performance of Coffee Biomass-Calcium-Alginate Beads to Remove Pb²⁺ Ions from Aqueous Solutions . Jurnal Riset Sains dan Kimia Terapan 2025, 11, 1-10.