Categories

• Economics,Political Science
• Physics
• Political Science,Zoology
• Odia
• Hindi
• englisg
• Chemistry
• Physics,History
• Economics,History
• Mathematics

Authors

• Rafiabidi H.N.
• Junaja
• wendel v.
• S.K.,surveyar
• Kuppuswary B
• vashist p.c,sukla and chandel
• Hanary, Frank,Hall , Knight
• nepak
• Kandlikar
• Mehla,J.K