Fatmawati, Zulaikhah, Vita Paramita, and Hermawan Dwi Ariyanto. 2023. “Adsorptive Removal of Chemical Oxygen Demand Using Eggshells and Tea Waste Entrapped in Calcium Alginate”. Journal of Tropical Pharmacy and Chemistry 7 (2):67-77. https://doi.org/10.25026/jtpc.v7i2.480.