companydirectorylist.com  Global Business Directory e directory aziendali
Ricerca Società , Società , Industria :


elenchi dei paesi
USA Azienda Directories
Canada Business Elenchi
Australia Directories
Francia Impresa di elenchi
Italy Azienda Elenchi
Spagna Azienda Directories
Svizzera affari Elenchi
Austria Società Elenchi
Belgio Directories
Hong Kong Azienda Elenchi
Cina Business Elenchi
Taiwan Società Elenchi
Emirati Arabi Uniti Società Elenchi


settore Cataloghi
USA Industria Directories














  • U. S. Department of the Interior
    The U S Department of the Interior protects and manages the Nation’s natural resources and cultural heritage; provides scientific and other information about those resources; and honors its trust responsibilities or special commitments to American Indians, Alaska Natives, Native Hawaiians, and affiliated Island Communities
  • Resolve a DOI Name
    Type or paste a known DOI name exactly—including its prefix and suffix—into the text box below and then ‘submit’ to resolve it DOIs include a prefix (prefixes always start with 10 ) and a suffix, separated by a forward slash ( )
  • What is a DOI? | Finding and Using Digital Object Identifiers - Scribbr
    A DOI (Digital Object Identifier) is a unique and never-changing string assigned to online (journal) articles, books, and other works DOIs make it easier to retrieve works, which is why citation styles, like APA and MLA Style, recommend including them in citations You may find DOIs formatted in various ways:
  • What is a DOI? - Digital object identifier
    A DOI is a digital identifier of an object, any object — physical, digital, or abstract DOIs solve a common problem: keeping track of things Things can be matter, material, content, or activities A DOI is a unique number made up of a prefix and a suffix separated by a forward slash This is an example of one: 10 1000 182
  • DOIs vs. URLs - Purdue OWL® - Purdue University
    While citation styles can vary greatly in their particulars, most major styles (including APA, MLA, and Chicago) require writers to include either a URL or a DOI in citations for digital content whenever possible
  • What is a DOI and how do I use them in citations? - Help Center
    A DOI, or Digital Object Identifier, is a string of numbers, letters and symbols used to uniquely identify an article or document, and to provide it with a permanent web address (URL) A DOI is like a Social Security number for the article you're citing — it will always refer to that article, and only that one
  • Digital Object Identifier System
    The DOI system provides a technical and social infrastructure for the registration and use of persistent interoperable identifiers, called DOIs, for use on digital networks
  • About Digital Object Identifiers (DOIs) - The National Academies Press
    A DOI (or Digital Object Identifier) is used to reliably identify digital content They’re most often assigned to journal articles, but they can also be assigned to books, videos, infographics — basically anything you can find on the web




Annuari commerciali , directory aziendali
Annuari commerciali , directory aziendali copyright ©2005-2012 
disclaimer