Manish Dev <br/><br/>
An investigation into the occupational health of welders in unorganized sector in the state of punjab. 

 -  Dr. B.R. Ambedkar National Institute of Technology, Jalandhar, 2020 
 - xxii; 160p  CD-ROM 
<br/><br/>This dissertation belongs to IPE department. 
<br/><br/><label>Dewey Class. No.: </label>616.9803