عنوان
پدید آورنده
موضوع
رده
کتابخانه
محل استقرار
English Book
Research design : qualitative & quantitative approaches
John W. Creswell
Thousand Oaks, Calif
.Sage Publications
1994
xix, 228 p.: ill
Includes bibliographical references (p. 209-216) and indexes
Social sciences - Research - Methodology
Social sciences - Statistical methods
Creswell, John W.
