Categories

• Chemistry
• zoolozy
• enviromental studies
• History,odiya
• Botany,Physics
• Zoology
• Others,Biology
• Others,Chemistry
• Ethics and Values
• Others,odiya

Authors

• Nanda, S.K.,sreebastaba and sharma
• Rana
• Sostri
• Singh, Gaun
• a.c.,bradley
• B.N,Kakkar
• sheorey
• Yerankar S.R
• P.K,Chakrabanti
• Mishra , B.,Mishra , B.