Categories

• Environmental Studies
• Others,English
• Botany
• Physics
• englisg
• Others,Physics
• enviromental studies
• geography
• Hindi
• Logic

Authors

• Ramar D,D.K,Mohanty
• hazard, j.n.,hazard, j.n.
• Bhalia A.K
• Mishra, H.P.
• R.K,Meher,Panda, M.K.
• Nissanke
• jha rc.
• Pattanaik,Pattnaaik
• Chand, v. , m. and anand
• Panda S.N.