M. M. AL-SUBU, R. SALIM, I. ABU-SHQAIR, y K. M. SWAILEH, «REMOVAL OF DISSOLVED COPPER FROM POLLUTED WATER USING PLANT LEAVES: I. EFFECTS OF ACIDITY AND PLANT SPECIES», REV INT CONTAM AMBIENT, vol. 17, n.º 2, pp. 91–96, jun. 2011.