Creswell, John W. <br/><br/>
Research design :   qualitative, quantitative, and mixed methods approaches /  
John C. Creswell and J. David Creswell 
 - 6th edition 
 - California :  SAGE Publications, Inc ,  2023 . 
 - xxvii, 291 pages :  illustrations (some. col) ;   26 cm  
<br/><br/>Includes bibliographical references (pages 271 - 278) and index 
<br/><br/><label>ISBN: </label>9781071817940 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social sciences --Research--Methodology<br/>Social sciences--Statistical methods