1.Books
A collection of leaves of paper or other material, written of printed, fastened together in some manner with a cover. In the USA for a publication to be called a book it must consist of 24 or more pages. UNESCO defines a book as a non-periodical literary publication consisting of 49 or more pages, covers not included.
2.Newspapers
These are serial publications usually printed on newsprint and issues daily, semi-weeklyor weekly containing news, editorial opinion, regular columns, letters to the editor, cartoons, advertisements and other items of current, often local interest to a general readership.
3.Periodicals
These are publications with distinctive titles containing articles, stories or other short works usually written by different contributors, issued in soft cover more than once, usually at stated intervals. Periodicals are published by scholarly societies, University presses, government agencies, commercial publishing houses, private corporations, trade and professional associations and other organizations. The most comprehensive directory of world periodicals is Ulrich’s International periodicals directory published by R.R Bower. Periodicals are usually shelved alphabetically by title in a separate section of the library stacks. In some libraries current issues are shelved separately from back files, which may be available on microfiche or microfilm to save space
4.Journals
These are periodicals devoted to disseminating current research and commentary on developments within a specific discipline sub discipline or field of study usually published in quarterly or bimonthly issues which Libraries bind into continuously paginated volumes. Most journal articles are longer than five pages and include a bibliography or a list of works cited at the end. Journal articles in science and social sciences usually include an abstract preceding the, which summarizes the content
5.Magazines
These are popular periodicals containing articles on various topics written by different authors. Most magazine are heavily illustrated containing advertisements and are printed on glossy paper. Articles are usually short (less than five pages) un signed and do not include a bibliography or list of references. Most magazines are issued monthly of weekly.
Abstracts
An abstract is a short statement of essential content of a book, article, speech, report and dissertation. It gives the main points in the same order as the original work.
6.Index
An index is a list of terminologies arranged alphabetically in the last pages of a book. It has page numbers which direct the reader to the specific page of a text on which the desired information can be found.
7.Archival Sources
This is an organized collection of noncurrent records of an institution, government, organization or corporate body. Archival sources are managed and maintained by a librarian with special training known as an archivist.
Serial Publications
A publication in any format issued in successively numbered or dated parts or issues, appearing at regular or irregular intervals and intended to be continued indefinitely. In our library the serial or periodical catalogue is known as a Kardex.
8.Patents
A patent is an official document issued by the government in response to a formal application process in which the applicant (usually the inventor) is granted the exclusive right to manufacture, use, and sell an invention for a specified number of years the document is assigned a patent number by the patent office for future reference.
9.Standards
Standards are any criteria established by law, agreement, or custom, according to which values, quantities, procedure performance, etc. are measured or evaluated and to manufacturers, practitioners, researchers, etc. seek to conform in order to ensure quality and uniformity of results.
10.Audio- Visual Materials
This is a term used to describe non print materials such as films, film strips, slides, video recordings, audio recordings, CD-ROMS, machine readable data files and computer software.
marto answered the question on April 2, 2019 at 05:37