Fundamentals of Educational Research/

Eitemau Tebyg

• Pollution prevention: the waste management approach for the 21st century
  gan: Dupont, Ryan R, et al.
  Cyhoeddwyd: (1999)
• Fundamentals of educational research /
  Cyhoeddwyd: (2017)
• Educational research and Innovations (1988-1992) : a bibliography
  gan: Dave P N
  Cyhoeddwyd: (1993)
• Research methods and methodologies in education
  gan: James Arthur (ed.)
  Cyhoeddwyd: (2012)
• Introduction to research methods in education
  gan: Keith F Punch
  Cyhoeddwyd: (2009)