Singh, K P. UDC : a manual for classification practical and information resources / K P Singh. - / . - New Delhi : Today and Tomorrows Printers and Publishers , 2013. - 389p. : ills.,figs.,tables ; 23cm . includes index ISBN: 8170194687 RS1,995.00 Subjects--Index Terms: UDC CLASSIFICATION PRACTICAL-UDC Dewey Class. No.: 025.432 / SIN/U