Categories

• Physics
• Political Science,Zoology
• Others,Physics
• Economics
• Others,English
• englisg
• Eng
• Others,odiya
• zoolozy
• Hindi

Authors

• Pradhan J.M,Das , D.R
• S.K,Suar
• kohali
• Lenka, d.r.,Panda, H.K.
• Hill , h.e.
• H.L,Ahuja ,D.R,Bali
• v. and bhushan
• Bhatia,H.R
• COLLINS
• K.K,Thakur