Characterization of Butanediol-Alginate Ester as Candidate of Hemodialysis Membrane - Amri, Choirul; Department of Environmental Health, Poltekkes Kermenkes Yogyakarta, Jl. Tatabumi No. 3 Banyuraden, Yogyakarta 55293 (Universitas Gadjah Mada, 2015)