Categories

• Logic
• Biology
• Others,Botany
• psycholigy
• englisg
• Others,Physics
• Economics
• Other
• Eng
• Botany

Authors

• R.M
• Samal, mishra and mohanty,Samal, mishra and mohant
• B.,Upadhyaya
• Bandopadhya , T.S
• Mehta , V.K.,Mehta , V.K.
• B.,stacey
• K.N,Khan delwal
• Acharya S.
• maheswar, s.r.,maheswar, s.r.
• pandey and sinha