TY - BOOK AU - Chaulagain, Mani raj AU - B.C, Tej bahadur TI - +2 chemistry volume i : for class xi of hseb and i.sc 1st year students of tu SN - 9993339083 U1 - 540/C394c PY - 2058/// B.S CY - Kathmandu PB - Bhrikuti Academic Publication KW - Chemistry KW - Atomic structure KW - Non metals KW - Thermodynamics ER -