Categories

• History
• Botany,Physics
• Biology
• Others,Physics
• enviromental studies
• Environmental Studies
• Chemistry,odiya
• odiya
• Ethics and Values
• Others,Botany

Authors

• Das,Nanda, Sharma
• Cave
• Other,Krishna ,Others,Das
• M.C, h,Quneshi
• S
• Sasena S
• Nayak, B.K.
• J.,sasi kumar
• Ray, p.c.,Ray, p.c.
• P,Maheshwari,B.P,Sarabhai