Math for Water Treatment Operators: Practice Problems to Prepare for Water Treatment Operator Certification Exams Autor John Giorgi mar 2007 Paperback Preț: 591.06 lei 695.37 lei 6-8 săpt. -15%
Math for Distribution System Operators: Practice Problems to Prepare for Distribution System Operator Certification Exams Autor John Giorgi feb 2007 Paperback Preț: 582.88 lei 685.75 lei 6-8 săpt. -15%
Math for Wastewater Treatment Operators, Grades III & IV Autor John Giorgi apr 2009 Paperback Preț: 594.06 lei 698.90 lei 6-8 săpt. -15%
Math for Wastewater Treatment Operators, Grades I & II Autor John Giorgi noi 2008 Paperback Preț: 588.33 lei 692.15 lei 6-8 săpt. -15%