Librarian لائبریرین

A librarian is a person who is trained and responsible for managing and organizing a library. Librarians are responsible for acquiring, cataloging, and maintaining the library’s collection of books and other materials, and for providing access to these resources to library users. Librarians may also be responsible for managing the circulation of materials, providing reference services to help users find information, and offering instruction and guidance on using the library and its resources. In addition to their work in traditional libraries, librarians may also work in digital libraries, archives, and other types of information centers. The profession of librarianship requires specialized education and training, and librarians often hold advanced degrees in library science or a related field.

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ISBNآئی ایس بی این

ISBN (International Standard Book Number) is a unique 10- or 13-digit identifier that is assigned to books and other printed materials to identify and distinguish them from one another. The ISBN is used by booksellers, libraries, and other organizations to identify and track books and other published materials.

The ISBN is issued by the International ISBN Agency, which is responsible for assigning and managing ISBNs. Each ISBN is unique to a specific book or publication, and it is used to identify and locate that specific book or publication. The ISBN is typically included on the copyright page of a book, and it is also used in bibliographic databases to help identify and locate specific books and other published materials.

ISBNs are useful for librarians, booksellers, and other professionals who need to keep track of and access published materials. They help to ensure that these materials can be accurately and consistently identified and tracked over time.

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