Fundamantal of Environmental Protection (Air, Water & Solid Urban Wastes Pollutions) August 2013 Industrial Water Treatment, with new corrections (3rd Edition) Summer 2008 Industrial Water Treatment, with corrections (2nd Edition) Winter 2007 Boiler’s and Pressure Vessels Operators’ Guide Spring 2007 Industrial Water Treatment (1st Edition) Summer 2004 Applied Mathematics in Chemical Engineering Fall 2004