Nastiti Siswi IndrastiAIAMYI. NANOSILICA FROM THE BOILER ASH OF THE SUGAR CANE INDUSTRY AS A FILLER OF POLYSULFONE AND SULFONATED POLYETHERETHERKETONE MEMBRANES IN DIRECT METHANOL FUEL CELL. J.Tek.Ind.Pert. [Internet]. 2018Sep.14 [cited 2024Apr.28];28(1). Available from: https://jai.ipb.ac.id/index.php/jurnaltin/article/view/23261