Research and evaluation in education and psychology/

Eitemau Tebyg

• Research and evaluation in education and psychology
  gan: Mertens, Donna M; Author
  Cyhoeddwyd: (2010)
• Research and evaluation in education and psychology : integrating diversity with quantitative, qualitative, and mixed methods /
  gan: Mertens, Donna M
  Cyhoeddwyd: (2005)
• Research and evaluation in education and psychology: integrating diversity with quantitative, qualitative, and mixed methods /
  gan: Mertens, Donna M.
  Cyhoeddwyd: (2015)
• Research and evaluation methods in special education
  gan: Mertens, Donna M
• Research and evaluation methods in special education
  gan: McLaughlin, John A; Author, et al.
  Cyhoeddwyd: (2004)