Categories

• Others,Education
• psycholigy
• zoolozy
• englisg
• Physics
• pyschology
• Hindi
• English
• Education,Zoology
• History

Authors

• Poul S.K
• Patri
• K.K,Thakur,Jha , Jha
• Nayak, Rao
• Parida J.K
• Singh Ralai
• Rewari K.K
• Dekock
• Stigler G.J
• murray, d.a.,murray, d.a.