Categories

• Physics
• Eng
• Politicalscience
• Others,Education
• Economic
• Botany,Physics
• English
• Education,Zoology
• Others,Physics
• odiya

Authors

• Behera,Saha ,Das , M.N
• Mayal, S.K,Panda, K.C
• Singh,A.
• Zemansky , Dittman
• beach
• Others,Das ,Das , Patnaik
• Hicks , Hutchings,P.S,Bright
• Das P.B
• Nanda H.P.
• K. C