Mukherjee, A.K. . Reference work and its tools / A.K. Mukherjee. - 3rd ed / . - Kolkata : World Press , 1975. - xii,288p. : ills. ; 23cm . NULL ISBN: NULL (Hb) Subjects--Index Terms: LIBRARY REFERENCE SERVICE Dewey Class. No.: 025.5 / MUK/R