Aleksandar MratinKovic et. al. <br/><br/>
Training & Development 

 - 3G E-Learning  3G E-Learning  2017 
 -  c2 .
<br/><br/><label>ISBN: </label>9781680954333 
<br/><br/><label>Dewey Class. No.: </label>Cir.658.3124/M88t/2017/c.2