Categories

• englisg
• Physics
• Physics,History
• Botany
• Ethics and Values
• Economic
• Others,Botany
• Logic
• Others,Biology
• Others,Chemistry

Authors

• Swain , N.,Mohapatra , k.
• S.Kumar
• Bhayan
• Tyage
• a.k.,wander
• Thamarassori
• Verma,Verma
• Pullman ,P.
• galbraith, jahn, kenneth
• Das Sisir ku.