Categories

• Environmental Studies
• Others,Education
• Economics,Political Science
• Botany,Physics
• enviromental studies
• Eng
• History,odiya
• evs
• Botany
• Others,Chemistry

Authors

• Datt , Sundharam,Gupta, R.D
• Iyenyan
• Tewari D.N.
• R.K,Rath
• Gunasdha
• K.K.,Kulshrestha,K.K.,Kulshrestha
• Eanes
• marriolt
• Chatwal, g.r.,verma and agrawal
• Panda, b.b.