Plumber's licensing study guide 
Woodson, R. Dodge (Roger Dodge),. 
 - Second edition. 
 -  McGraw-Hill,  2007 
 - x, 422 pages 
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<br/><br/><label>ISBN: </label>978-0-07-147939-4 (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Plumbing -- Examinations, questions, etc.
<br/><br/><label>Dewey Class. No.: </label>696.1076 W86p 2007