MĂICĂNEANU, Andrada, and Horea BEDELEAN. 2020. “Na+ - NH4+ CATION EXCHANGE STUDY ON TREATED ZEOLITIC VOLCANIC TUFF IN FIXED BED COLUMN”. Studia Universitatis Babeș-Bolyai Chemia 65 (3):89-100. https://doi.org/10.24193/subbchem.2020.3.07.