N. . Thongkon, S. . Yaodusit, and J. Thongdee, “Adsorption of Nonylphenol Polyethoxylate Using HCl-Treated Fish Scales of Barbonymus gonionotus in the Presence of Anionic Surfactant”, Agr. Nat. Resour., vol. 49, no. 2, pp. 219–228, Apr. 2015.