“Ammonia Removal from Wastewater Using ZnO-Modified Ceratophyllum As a Low-Cost Eco-Friendly Biosorbent”. Bilad Alrafidain Journal for Engineering Science and Technology 1, no. 1 (March 20, 2026): 22–28. Accessed May 19, 2026. https://bajest.bauc14.edu.iq/index.php/bajest/article/view/189.