Basics of qualitative research  techniques and procedures for developing grounded | 2nd. ed 
STRAUSS, Anselm; CORBIN, Juliet 
 - Thousand Oaks  SAGE  1998 
 - 312 p. 
<br/><br/><label>Subjects--Index Terms: </label>Grounded theory; Gegronde teorie 
<br/><br/><label>Dewey Class. No.: </label>300.72