The practice of social research /

Eitemau Tebyg

• The practice of social research /
  gan: Babbie, Earl R.
  Cyhoeddwyd: (1979)
• The practice of social research /
  gan: Babbie, Earl R.
  Cyhoeddwyd: (1995)
• Theory and methods of social research.
  gan: Galtung, Johan
  Cyhoeddwyd: (1967)
• Social science research methods /
  gan: Gee, Wilson, 1888-
  Cyhoeddwyd: (1950)
• A practical guide to behavioral research : tools and techniques /
  gan: Sommer, Barbara Baker, 1938-
  Cyhoeddwyd: (1997)