Categories

• Chemistry
• Botany
• Computer Science
• evs
• Ethics and Values
• IT
• Botany,Physics
• geography
• Politicalscience
• Education

Authors

• Bhattarchya & Mahanta
• Mohapatra D.D.
• ray and bhattacharya,Bhatia, K.K.
• salisboury , ross
• pd
• Goel , r.g.,Nanda, ray and samal
• Paul,R.R,Parida,B.C
• U.C
• Hunter , e.j.,Kar, S.C.
• Mannay, D.A,Sinha , B.B