Categories

• Others,Physics
• Political Science,Zoology
• Others,Biology
• Odia
• Economics,History
• Botany
• Economics
• Physics,History
• Others
• Botany,Zoology

Authors

• Das , das and others
• Bhelia p.
• Gupta, s.p.,Panda, h.h.
• Dutta
• Baijal. H.N
• Chopra, p.n.,Chopra, p.n.
• Sharma, Acharya
• Pattnaik, J.N,Macmillans
• M.N
• ,B.,stacey