Categories

• Botany
• Economics,History
• Economics,Political Science
• Chemistry
• Economics
• Others,Physics
• Biology
• economy
• Political Science,Education
• Physics,odiya

Authors

• P.K,Mallick
• Jena, k.c.,Jena, k.c.
• Chaini , Ratnakara,sahu and parida
• bhandari
• sashtri
• K,Trehan
• mahap
• B,spain
• S.K,Mangal
• Pelczar