Categories

• zoolozy
• Economics,History
• Botany,Zoology
• Physics,History
• Physics
• economy
• Education,odiya
• Botany,Physics
• Physics,odiya
• Economics

Authors

• A.K,Vasisth
• Glover , Kaplan
• james
• Kosamli D.D
• Mishra ,Mahapatra ,K.N,Upadhapya
• Sahu K.C,Mohanty B.D
• Gupta, S.P,Sen, K.K
• galsworth
• Rao, Sen , Sukla,Others,Das A.K
• R.,ellman,R.,ellman