Removal of heavy metals (Cr, Cd, Ni and Pb) using fresh water algae (U. tenuissima, O. tenuis & Z. ericetorum) from contaminated water Journal title: Journal of Biodiversity and Environmental Sciences (JBES) Authors: Arbab Ali, Zahir Shah, Altaf Hussain, Izhar Shafi, Nasrullah, Murtaza Ali, Aqleem Abbas Subject(s): Biological Sciences, Environmental Sciences, Biology
