00462nam a2200181Ia 4500008004100000020001800041020001500059082001700074082002000091245002600111245002600137250002500163260001400188260002300202260000900225700002500234700002100259210417s9999    xx            000 0 und d  a9788178803531  b8178803534  a302.2244 BHA  b22.302.2244 BHA 0aWritten Communication 0cWritten Communication  b"viii, 290 p., hbk."  aNew Delhi  bRajat Publications  c2018  a"Bhatnagar, Piyush "  bPiyush Bhatnagar