J. D. Creswell
Research Design : Qualitative, Quantitative, and Mixed Methods Approaches / J. D. Creswell , John W. Creswell - 5th Ed. - Los Angeles : SAGE Publications, 2017. - 304 p.
9781506386706
W
61 / C-79
Research Design : Qualitative, Quantitative, and Mixed Methods Approaches / J. D. Creswell , John W. Creswell - 5th Ed. - Los Angeles : SAGE Publications, 2017. - 304 p.
9781506386706
W
61 / C-79