Categories

• Others,Physics
• geography
• Others
• Others,Botany
• History
• pyschology
• Eng
• Others,Education
• psycholigy
• Education,Zoology

Authors

• kulamani
• rabinder
• Pensins
• boy liss a.e.m.
• B.D
• G.C,Das
• Pattanaik, g.c.
• Das G.H.
• Rudra
• R.,besier,R.,besier