Categories

• Political Science,Education
• evs
• Logic
• Economic
• Others
• Biology
• Physics,History
• geography
• englisg
• Botany,Zoology

Authors

• Behera, k.c.,Mohanty , jagannath
• Agrawal, J.C.,Mohanty , S.B.
• pati and pati
• j.h.
• Das , anusaya,Das , anusaya
• padhi and mishra
• Mukhapadhyaya A.K
• a.s.,hornley,a.s.,hornley
• t.,williams
• kathryan