This course introduces the graduate students on information science, information systems and services. This course aims to make the librarians literate on the concepts of information and its importance in information centers and other information agencies. The importance of having information control through information infrastructure shall also be dealt; moreover, as necessary elements in the study of information, the communication processes shall be also studied, systems in general shall likewise be touched in this subject.   On information services, included are the various types of organizational units of information systems and services, acquiring and processing documentary information, scientific and technical data handling and analysis, types of information services to users, and education and training of information workers.