00311nam a22001217a 4500020001800000041001300018082001500031100002700046245004900073250001200122260004600134300000900180  a9789937848701  aEnglish   a543bRAJ-e  aRajbhandari, Prashant   aEssentials of Numerical Chemistry Grade XII   a5th ed.  aKathmandu bHeritage Publication c2020AD  a150p