Categories

• Biology
• Biology,odiya
• English
• Economics,Political Science
• economy
• Botany
• Education
• Logic
• enviromental studies
• Computer Science

Authors

• j.r.,brown,j.r.,brown
• Lahini
• M.,Mc Sourthy
• M.
• ari
• Patnaik,K.M,Nagar , Das
• Patri, M.
• G,Garrand
• Groven
• mookerjea