Categories

• Others,Physics
• Others,English
• zoolozy
• Political Science,Education
• Biology
• Chemistry
• Others,Biology
• Botany,Physics
• Computer Science
• Hindi

Authors

• Gauba
• M.L,Jhingan ,Sundharam , Vaish
• Ratha R.K
• j. manheim
• Pujari Janandina
• Mohanty P
• Nunn
• S.H.,Patil
• David
• J.,bandyopadhya