P

• PAO : Periodicals Archive Online
  

  ---

• PIO : Periodicals Index Online
  

  ---

• Patentes
  

  ---

• PATENTSCOPE
  

  ---

• PDA : Patron Driven Acquisition
  

  ---

• PDF : Portable Document Format
  

  ---

• PEDRO : Physiotherapy Evidence Database
  

  ---

• PIPT : Programa Información para Todos
  

  ---

• Plagio
  

  ---

• Premio Internacional de Marketing en Bibliotecas
  

  ---

• PREMIS : PREservation Metadata: Implemention Strategies
  

  ---

• Preprint
  

  ---

• PSICODOC
  

  ---

• PsycARTICLES
  

  ---

• PsycINFO
  

  ---

• Project MUSE
  

  ---

• PTE : Proyecto Tipobibliografía Española
  

  ---

• Publons
  

  ---

• PubMed
  

  ---

• PubPsych
  

  ---

• PURL : Persistent Uniform Resource Locator