Health and safety at work :  Academic manual / 
G.F. Galstyan, H.G.Petrosyan ; Ministry of education, science, culture and sport of Armenia. National Polytechnic University of Armenia. 
 - Yerevan :  Chartaraget,  2020. 
 - 78 pages :  ill.;  20 cm. 
 - 331.45(07) (NLA) .
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>978-9939-72-939-8 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Health and safety
<br/><br/><label>Universal Decimal Class. No.: </label>331.45(07) (NLA)