Categories

• Others,Chemistry
• enviromental studies
• Others,Biology
• psycholigy
• Botany
• Other
• zoolozy
• Logic
• Mathematics
• English

Authors

• Das M.
• Das , M.R
• Abha
• Sharma, c.d.,P.,Pandey
• Sahu, Sali,Sahu, Sali
• K.C Maharana , D.K Dath,S,Mishra
• Chaudhury
• mishra and chopdar
• Roy , G.S
• Sahu, J.D