Categories

• Economics,Political Science
• Others,Biology
• economy
• Others,Chemistry
• Zoology
• Political Science,History
• zoolozy
• psycholigy
• Political Science,odiya
• Others

Authors

• Winter
• Samal, mishra and mohanty
• Nandh, R.S.
• bryl, y.,bryl, y.
• Sharma, k.n.
• Kahans
• M.L,Jhingan
• S.,glasstone
• Sagoff, Mark
• thomsson and ganmattin