Research methods : quantitave & qualitative approaches /

Eitemau Tebyg

• Research methods : quantitative and qualitative approaches /
  gan: Mugenda, Olive M.
  Cyhoeddwyd: (2003)
• Research methodology : methods and techniques /
  gan: Kothari, C.R
  Cyhoeddwyd: (2004)
• Research methodology : methods [and] techniques /
  gan: Kothari, C.R
  Cyhoeddwyd: (2004)
• Fundamentals of social research methods : an African perspective /
  gan: Bless, Claire
  Cyhoeddwyd: (2006)
• Research methodology : methods, tools and techniques /
  gan: Jain, Gopal Lal
  Cyhoeddwyd: (1998)