Nawaz, R. (2014) “Interactions Between Acidic (Al3+, Fe2+) and Basic (Ca2+, Mg2+) Cations in Oxisol and Ultisol under Acidification Induced by Simulated Acid Rain”, Asian Journal of Chemistry, 26(15), pp. 4794–4800. doi: 10.14233/ajchem.2014.16229.