Categories

• Political Science,Zoology
• History,odiya
• Education
• Physics
• pyschology
• English
• enviromental studies
• englisg
• Eng
• Environmental Studies

Authors

• John
• Sastray
• Dutta K.N.
• verma and agrawal,Dutta , a.c.
• Cotton , F.A
• Shrma
• Bhatia, K.K.,Mohanty , M.S.
• pany
• Kumar, Satish
• Lecture