00423nam a22001817a 450000500170000002000180001704100130003508200150004810000140006324500370007725000130011426000430012730000090017070000150017970000150019470000170020970000150022620260623103928.0  a9789937754606  aEnglish   a540bWAG-c  aWagley, P  aComprehensive chemistry grade xi  a5th ed.   aKathmandu bHeritage Publishers c2025  a644p  aKhadka, NM  aGautam, SD  aAdhikari, NR  aPandey, BR