he Art of Asking Essential Questions:  Based on critical thinking concepts and socratic principles/ 
Richard Paul and Linda Elder 
 - 5th 
 - US:  Bloomsbury Publishing,  C2019 
 - 1 Online Resource  
<br/><br/> https://buku.app/details/209591 
<br/><br/><label>ISBN: </label>9780944583166