Categories

• evs
• Others,Chemistry
• History
• Political Science,History
• Others,Physics
• Economics
• English
• Logic
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• Biology

Authors

• Sannu
• p.c.
• Morganthau ,Thomas
• Mishra Y.D,Choti S.C
• Sen, k., S., Chopra, p.s. and kothari
• Sahu,Singh
• Miller B.S.
• coin
• Nanda, basudeb,Nanda, basudeb
• John,Hospens,G.C,Nayak