Datt, Gaurav creator Nag, Biswajit Author text New Delhi S Chand and Company Limited 2024 73 monographic xx,747p. 23cm(pb) By Gaurav Datt [and] Biswajit Nag 330.954 9789358704815 DEC24SC ENG-142948 ENG-143952 ENG-146907 DBAD 20250929162300.0