Categories

• Others,Biology
• Political Science,Education
• Others,Physics
• economy
• History
• geography
• Others,English
• Economics,Political Science
• evs
• Others,Botany

Authors

• Chodhury
• Augecstine
• Solomons,T.W.G
• Falquni
• K.K,pany ,sahu and parida
• Turidari R.L
• K.S.,sidhu,Nanda, S.K.
• Arora, Gnther,Prem,Arora
• Das , m.n. and pati
• Ansian ,Amir