Categories

• englisg
• Mathematics
• Economics,Political Science
• Others,Botany
• Computer Science
• zoolozy
• Logic
• Philosophy
• Others,Physics
• Others,Chemistry

Authors

• Chain R.K
• Sankar,R.N.
• De Solha
• Oxford University
• i.,sheorey
• Biswal ,Tapan
• Nayak, k.c.
• bahatnagar
• h.,read
• Hilgand,Whinson