Aggarwal J C Documentation encyclopedia of UENSCO and education Aggarwal J C; Agrwal S P - N.D Concepts Pub 1991 - Concepts oin communication informatics & librarianship; 16 . Standard No.: 84,905 Source: Textual Subjects--Topical Terms: EDUCATION Dewey Class. No.: T.1,d,N46k, N1.1-.2 (2D)