Tashakkori Abbas <br/><br/>
Foundations of mixed methods research: Integrating quantitative and qualitative approaches in the social and behavioral sciences 

 - 2 
 - Thousand Oaks, Calfornia  Sage   2021 
 - xx,448p. 
<br/><br/><label>ISBN: </label>978-1-4739-0391-3 
<br/><br/><label>Source: </label>Reference