Kurniawan, T. and Bahri, S. and Diyanah, A. and Milenia, N.D. and Nuryoto, N. and Faungnawakij, K. and Thongratkaew, S. and Bilad, M.R. and Huda, N. (2020) Improving ammonium sorption of bayah natural zeolites by hydrothermal method. Processes, 8 (12). pp. 1-11. ISSN 22279717