Categories

• Environmental Studies
• Physics
• Physics,odiya
• English
• Education,Zoology
• odiya
• geography
• Education
• History,odiya
• Botany,Zoology

Authors

• k.,perry
• mohapatra and others
• Bilgrami Pradhan,R,Nath
• Baijal. H.N
• Dwivedi,M.K
• Sharma, Sharma,K.N,Upadhyaya
• Gupta, renu
• Ahcya
• bahal and bahl,G.,Chatwal
• friedrich, c.j.,friedrich, c.j.