Categories

• Others,Chemistry
• Economic
• pyschology
• Botany,Zoology
• Education
• Philosophy
• Others,Botany
• enviromental studies
• Physics,History
• Mathematics

Authors

• coker
• Jettars
• l.n.
• Baryah, B.
• Jha , Jha,B.N,Tripathy
• Bristow
• Sharma, v.d.
• Goel
• pati and pati,Samal, s.s.
• b.j.