Reference services and the digital sources of information /

Eitemau Tebyg

• References services and the digital sources of information /
  Cyhoeddwyd: (2004)
• Reference services and sources of information /
  gan: Sharma, Jagdish S
  Cyhoeddwyd: (2004)
• Reference services and sources of information/
  gan: Jagdish Saran Sharma
  Cyhoeddwyd: (2004)
• Digital reference services (v.1)
  gan: Mathew Forney
  Cyhoeddwyd: (2003)
• Digital reference services (v.2)
  gan: Mathew Forney
  Cyhoeddwyd: (2003)