Krishnasamy, Anand creator Gupta, Saurabh K Author text Chennai Mc Graw Hill Education 2024 1 monographic xiv,194p. 24cm(pb) by Anand Krishnasamy [and] Saurabh K Gupta Includes index 621.8 9789364441995 ENG-142788 DBAD 20241203163353.0