Categories

• enviromental studies
• Others,Political Science
• Political Science,Education
• Botany
• Biology
• Politicalscience
• Physics,History
• Others,History
• geography
• Education

Authors

• ey a.n.
• Kumar, Kumar
• Maddala , Miller
• Chand, S.
• S,Chaturbedi
• J.K,Datta
• ray and jena
• Gupta, A.N
• Ahsan , Sinta
• Ashraf , A.,Ashraf , A.