d
T. UMAMAHESWARA RAO SIR
chandrika 162
Frenkel defect-1 (1)
Frenkel defect-1
PAVAN1
PAVANN
Presentation (2)
Presentation
rasool
RAVI TEJA
SILICONES PPT CHIFUYU.
swaroop
swaroop-1
v.Swaroop Ravi Kumar