00355nam a22001457a 4500020001800000041001300018082001500031100001700046245003400063250001200097260004400109300000900153700002100162700002600183  a9789937730211  aEnglish   a540bBHA-e  aBharati, S.K  aEssential Chemistry Grade XI   a1st ed.  aKathmandubKriti Publication c2079 BS.  a561p  aPandit, Amardip   aMishra, Rupesh Kumar