00491nam a22001937a 450000500170000002000180001704100130003508200170004810000220006524500430008725000120013026000480014230000090019065000120019970000250021170000190023670000190025570000230027420250601065305.0  a9789937755467  aEnglish   a540.724bPIO  aMishra, Akkal Dev  aPioneer Practical Chemistry  Grade XII  a2nd ed.  aKathmandu bDreamland Publication c2081BS.  a336p  aScience  aPal, Khadka Bahadur   aWagle, Deepak   aKoirala, Raju   aBhandari, Krishna