Ni Nyoman Rupiasih, Made Sumadiyasa, A.A. Ratnawati, Hery Suyanto. PREPARATION, CHARACTERIZATION AND USED OF POLYSULFONE MEMBRANES FOR THE TREATMENT OF WATER SOLUTIONS CONTAINING HUMIC ACIDS. j. sains materi indonesia [Internet]. 2011 Oct. 31 [cited 2026 Nov. 15];13(1):54-8. Available from: https://ejournal.brin.go.id/jsmi/article/view/6697