Tarbuka, P.F. and Gumus, R.H. 2021. Methylene Blue and Iron (II) Adsorption onto Raphia Hookeri Seed: A Comparative Equilibrium Isotherm Study. International Journal of Chemical and Process Engineering Research. 8, 1 (Sep. 2021), 11–18. DOI:https://doi.org/10.18488/journal.65.2021.81.11.18.