Information systems

CLASSIFICATION AND INDEXING IN SCIENCE VICKERY, B.C. CLASSIFICATION AND INDEXING IN SCIENCE VICKERY, B.C. On retrieval system theory Vickery, B.C. Techniques of information retrieval Vickery, B.C. The universal decimal classification Vickery, B.C. Management of library information services Iyer, V. K. Library and information services in the muslim world edited by Mumtaz Ali Anwar with the assistant of Abbas Horri, Sajjad ur Rehman and Ahmad Bakeri Abu Baker Handbook for information systems and services Cochrane, Pauline A.