Categories

• Others,Physics
• Physics,odiya
• Environmental Studies
• englisg
• evs
• Other
• Others
• odiya
• Education,odiya
• Eng

Authors

• B.,Jha
• Ramawat, K.G
• P,Maheshwari,B.P,Sarabhai
• Smitha
• Tjhensen S
• D.,defoe,Hardy , t.
• Naik. P.C
• Guru G.P.
• R.R,Paal
• Das , Hemlala