Categories

• Physics
• Hindi
• Political Science
• Economics,Political Science
• Others,Physics
• Ethics and Values
• Mathematics
• economy
• Others,Biology
• Others,Education

Authors

• lous ks, w.g., william n. and alfitrey
• b.j.,cannol
• R.D,Vidyanthi
• donnel
• Johari, r.c.,rundell, michel
• Das,Biswal
• Mahmool, Jater
• Esekies , Bharvani
• Nayak,B.K
• Sahu Narayan