Rahmah, M., Mahrizal, M., & Asmara, A. P. (2025). THE EFFECTIVENESS OF COAGULANTS AND FLOCCULANTS IN IMPROVING CLARIFIER WATER QUALITY: A CASE STUDY AT PT PERTA ARUN GAS, LHOKSEUMAWE. Walisongo Journal of Chemistry, 8(1), 38–44. https://doi.org/10.21580/wjc.v8i1.23656