Catalano Amy J <br/><br/>
Measurements in distance education: A compendium of instruents, scales and measure for evaluating online learning 

 - London, UK  Routledge   2018 
 - vii, 165p. 
<br/><br/><label>ISBN: </label>978-1-138-71446-5 
<br/><br/><label>Source: </label>Reference