Published Leaching of lead from clinoptilolite at acidic conditions by PETRAKAKIS Y., MYLONA E., GEORGANTAS D., GRIGOROPOULOU H. 207-213_456_Petrakakis_ 9-3.pdf
Published Removal of a basic dye from aqueous solution by adsorption using rice hulls by El-Maghraby A., El Deeb H.A. 90-98_560_El_Maghraby_560_13-1.pdf