Categories

• Environmental Studies
• Others,Physics
• Hindi
• Mathematics
• Others,History
• Biology,odiya
• Education
• Chemistry
• Logic
• Computer Science

Authors

• ross, s.l.
• Swain. S
• t.,williams,t.,williams
• Duke F.V.
• Davice
• Maheswari S.R
• Das,Nanda, Shrma,Sharma, Acharya
• bank, das and sharma
• Sidhu K.S
• Tripathy, r.s.