Research methods in education and psychology : integrating diversity with quantitative & qualitative approaches /

حسب Mertens, Donna M.
منشور في 1998

Research and evaluation in education and psychology : integrating diversity with quantitative, qualitative, and mixed methods /

حسب Mertens, Donna M.
منشور في 2005

Research and evaluation in education and psychology : integrating diversity with quantitative, qualitative, and mixed methods /

حسب Mertens, Donna M.
منشور في 2010

Research and evaluation in education and psychology : integrating diversity with quantitative, qualitative, and mixed methods /

حسب Mertens, Donna M.
منشور في 2015