Instructor manual  : Plumber/Sanitary Installer 

 - Islamabad:  National Training Board,  1986. 
 -  111p 
<br/><br/><br/>eng 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Plumbring
<br/><br/><label>Dewey Class. No.: </label>696.1  / NAI