Categories

• Chemistry,odiya
• Hindi
• Education
• odiya
• Political Science,Education
• Others
• Eng
• geography
• zoolozy
• Chemistry

Authors

• Das R.N
• sahu and das
• Chandramani D.
• cairncross a
• Dogra
• Meher M.K
• Ray, Arundhati
• Kilgour
• noggle
• Das B.B.