Categories

• Education
• enviromental studies
• Others,Physics
• Others,English
• Political Science,Zoology
• Chemistry
• Other
• englisg
• Physics
• Eng

Authors

• A., Joseph,schumpeter
• chandra and singh
• S.K,Gupta
• Dath , Patra,Vidyanath, R.D
• Sahu, Panda
• Goyal,Tarun
• Vidyanath
• moynihan danial
• B.,Jha ,Chaturbedi , S.
• V.R,Tandeja,B.D,Basa