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Nigeria's free digital learning hub. Videos, lecture notes, practice questions and leaderboards aligned with CCMAS, NBTE, NCCE, WAEC, NECO, IJMB and JAMB curricula.
Reference sources are materials used to obtain quick, accurate and reliable information on specific topics. Examples include dictionaries, encyclopedias, directories, bibliographies, indexes, abstracts, atlases, gazetteers, yearbooks, handbooks and biographies. They may be in print or electronic formats
This lecture is part of LIS 313 Reference and Information service in the Library and Information Science department. The course has 53 recorded lectures across 20 series, all free to watch. Read or download the LIS 313 lecture note to study alongside the video.