Research methods in social sciences and extension education /

Eitemau Tebyg

• Research Methods in Social Sciences and Extension Education
  gan: G.L. Ray
  Cyhoeddwyd: (1999)
• Research methods in social sciences and extension education
  gan: Ray, G L
  Cyhoeddwyd: (2011)
• Research methods in social sciences and extension education
  gan: Ray,G L,Sagar Mondal
  Cyhoeddwyd: (1993)
• Research Methods In Social Science And Extension Education
  gan: G. L. Ray Sagar Mondal
  Cyhoeddwyd: (1999)
• Research Methods In Social Sciences
  gan: Sharma,B.A.V and Ravindra,Prasad and Satyanarayana, Ed
  Cyhoeddwyd: (1983)