Categories

• Biology,odiya
• geography
• Environmental Studies
• odiya
• enviromental studies
• Economics
• Education,Zoology
• Physics,History
• economy
• Eng

Authors

• panikkar, k.n.v.
• Yagnik V.
• Singh, M.,Singh, M.
• B,Keith
• Kanhu Charan,Pattanaik.B
• Shukla , a.c.
• R.K,Meher
• Kanhu Charan
• Sanala Sahita Soyaa,K.C,Behera
• Acharya , p.m.,Mohanty , p.c.