Categories

• Physics,History
• Logic
• Others,Education
• Political Science,Zoology
• Chemistry
• Hindi
• Other
• Botany
• Political Science,History
• Politicalscience

Authors

• Panigrahi , S.C.
• Langsam, Mitchell
• Andnade , May
• Niven , Montegomeny
• S.,Venkateswaran
• Gangulee
• Mathur, d.s.
• bhaskaran and horsburg
• Nanda, S.K.
• sutar, a.k.,lekhi and inder kumar