00506nam a22001577a 450000500170000001000150001702000270003203500140005903700090007308200080008224500940009026000430018427000720022730000200029970000290031920240514123958.0  aENG-140199  c1595.00a9788129002518  aEN-123731  bDBAD  a509  aIssues, Challenges and Opportunities in Science and Technology/cEditor by Harpreet Kaur   aChandigarhbNew ERA Book Agency c2022  aSCO 49-51, Sector-17 C, Post Box-52, ChandigarhbChandigarhe160017  a168p.c24cm(hb)  aEditor by Harpreet Kaur