Satija, M P. Dewey decimal classification : Edition 19 (1979) to WebDewey (2018) / By M P Satija. - 1st Ed. - New Delhi : Ess Ess PUblications, 2020. - 250p. ; 00 cm. Subjects--Topical Terms: LIBRARY SCIENCE. Dewey Class. No.: 025.431 / SAT