Categories

• Physics
• evs
• economy
• geography
• Zoology
• Education
• odiya
• Education,Zoology
• Others,English
• Botany,Zoology

Authors

• Das , B., g. and sahoo,Das , B., g. and sahoo
• Honlck, E.B
• Gould , Lazear
• k.r.s.
• il.
• Zachmann
• P.,moynihan danial,P.,moynihan danial
• Freguson
• N,Nayak,Senapati, F.M
• Gupta and Amit