A new biological water filtration/treatment solution Published on July 22, 2012 07:50 by Assia Meziani, University of El-Oued, Algeria - Assistant professorhttp://www.linkedin.com/groupItem?view=&gid=1897041&type=member&item=135498757&qid=ad6e6953-0792-4a0c-88ce-27125a164857&trk=group_most_popular-0-b-ttl&goback=%2Egmp_1897041