Categories

• englisg
• Economics,History
• economy
• Botany,Zoology
• Others,Chemistry
• Others,Physics
• Philosophy
• Economic
• Politicalscience
• Botany,Physics

Authors

• Solomons,T.W.G
• Das , h.c.
• Prilal
• ckr
• Panigrahi , Sahu,Das,Nanda, Shrma
• Das , S.C.,Mishra , b.b.
• sharma and nirja
• Lunia B.N
• Mahayan, V.D.
• Hajari,Banal Padhi