Documentation refer to the act of recording information. • Documentation service is a process of reproducing any available material and making it available to readers. • Systematic organization, storage, retrieval, and dissemination of specialized information, especially of a scientific or technical nature. (ALA Glossary of Library and Information Science, 1983). Who Documents? • Documentation centers collect a wide range of materials from governmental, inter-governmental and local and international non- governmental sources. • Documentation centers provide information that is useful to the users and researchers.