Educational research : planning, conducting, and evaluating quantitative and qualitative research /

Eitemau Tebyg

• Educational research: planning,conducting and evaluating quantitative and qualitative research /
  gan: Creswell,John W.
  Cyhoeddwyd: (2011)
• Research and evaluation in education and psychology : integrating diversity with quantitative, qualitative, and mixed methods /
  gan: Mertens, Donna M
  Cyhoeddwyd: (2005)
• Designing and conducting research in education
  gan: Drew, Clifford J; Author, et al.
  Cyhoeddwyd: (2008)
• Generalizing from educational research : beyond qualitative and quantitative polarization /
  Cyhoeddwyd: (2009)
• Research design : Qualitative, quantitative, and mixed methods approaches /
  gan: Creswell, John W.
  Cyhoeddwyd: (2011)