Categories

• Others,Biology
• History
• Economic
• Chemistry
• psycholigy
• Economics,History
• Other
• englisg
• Others,Chemistry
• Physics,History

Authors

• Mishra , k.c.
• Deepti Prakash
• s. and parida
• Sampath and Lhas
• V.K,Kasshik,R.K,Rath
• Chandra .P.
• S.,Devi
• Vishnsi
• H.E
• b.d.,upadhya,Ray, h.n.