Categories

• Education,odiya
• Others,Chemistry
• Economic
• englisg
• Economics
• geography
• Education
• Zoology
• Others,Physics
• Physics

Authors

• Lapierre
• H.L,Ahuja ,H.L,Ahuja
• ,Rao, Prakash
• Gupta B.D.
• Das , Geeta
• K.C
• ml.
• Hirshlifor , Glazca
• Mohapatra,Das , Acharya, Padhy, Rath
• Lathan J.E.M,Sullivan S