Categories

• Others,Biology
• Politicalscience
• zoolozy
• Logic
• Political Science
• evs
• Others,Physics
• Others,History
• Others
• Physics

Authors

• K.M.,Patra
• Modi
• Kapoor
• Sood, V.
• Colebrook
• Behera, S.C.
• m.g.
• Behera,Bimbadhar
• Sactdara , Gupta,Pachi, Banal , Hazary
• S(Comp)