00409nam a22001577a 450000500170000000800410001702000180005804100080007608200190008410000260010324500540012925000110018326000380019430000100023265000090024220240925130949.0240925b        |||||||| |||| 00| 0 eng d  a9788193389881  aeng  a320.1bmu gou.  aMukhopadhyay, Goutam.  aRajnaitik tattwo parichoy/c Goutam Mukhopadhyay.  a3rd.--  aKolkata:bSetu Prakashani,c2023.  a140p.  aPOLI