Professional and non-professional roles [1] /

Eitemau Tebyg

• Professional and non-professional roels [2] /
  Cyhoeddwyd: (1978)
• Professional and non-professional duties in libraries /
  Cyhoeddwyd: (1974)
• Role of Library and Information professionals in
  gan: Chitranjan Jamwal
• Professional and non-professional duties in libraries : A descriptive list comp by a sub-committee of the association /
  Cyhoeddwyd: (1963)
• Professional /
  gan: Bagchi, Subroto
  Cyhoeddwyd: (2009)