Categories

• Others,Biology
• Chemistry,odiya
• Logic
• Eng
• Chemistry
• Biology
• Botany,Zoology
• englisg
• Economics,Political Science
• Others,Education

Authors

• bradbrook, m.c.,bradbrook, m.c.
• Thakur, J.
• Das B.D.
• Aneyja
• Pradhan J.M
• Dall
• Bhangava
• Beckor
• Das , B.K
• Das,Nanda, Sharma