Understanding communication research methods : a theoretical and practical approach /

Eitemau Tebyg

• Electronic media and communication research methods /
  gan: Parthasarathy, G.K
  Cyhoeddwyd: (2006)
• Understanding research methods a guide for the public and nonprofit manager
  gan: Robbins, Donijo
  Cyhoeddwyd: (2010)
• Research methods/
  gan: Trochin,William M K
  Cyhoeddwyd: (2009)
• Research methods
  gan: Trochim,William M K
  Cyhoeddwyd: (2003)
• Research methods /
  gan: Trochim, William M.K .
  Cyhoeddwyd: (2009)