Categories

• Environmental Studies
• Politicalscience
• Other
• Hindi
• Economics,History
• Others,odiya
• enviromental studies
• Education
• Mathematics
• Others,English

Authors

• heminy ray
• Patnaik, A.,N.,pruseth
• Das , Choudhury
• Patnaik, n.r., j. and patnaik,Parida, P.K.
• Chopra, puri and das
• Ratha Sahadw,S.K,Suar
• Vann, j.d.
• Ahuja ,H.C
• Hall , Knight,Potten , Gold Beng
• Sha B.