Sell, buy or rent John Giorgi textbooks

Wastewater Operator Certification Study Guide

by Giorgi, John
ISBN-13: 9781583217283
ISBN-10: 1583217282
Edition: Spi
Publication date: 2009
Publisher: American Water Works Association
Format: Spiral-bound 250 pages

Water Operator Certification Study Guide: A Guide to Preparing for Water Treatment and Distribution Operator Certification Exams

by Giorgi, John
ISBN-13: 9781583218525
ISBN-10: 1583218521
Edition: 6th
Publication date: 2011
Publisher: American Waterworks Association
Format: Spiral-bound 430 pages