Vizcarra, Marcelo Ivan. <br/><br/>
The Benefits and Drawbacks of Using Duolingo to Learn English a Study with Young ESL Learners  [electronic resource]. 

 - Texas :  Editorial Tecnocientifica Americana (ETECAM),  2021. 
 - 1 online resource (46 p.). 
 - Education Ser. ;  v.125 .
 - Education Ser. .
<br/><br/> Description based upon print version of record. 
<br/><br/><label>ISBN: </label>031100010X 9780311000104 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Linguistics--Methodology.
<br/><br/><label>LC Class. No.: </label>P126 
<br/><br/><label>Dewey Class. No.: </label>410.1