Categories

• Economic
• Botany,Zoology
• Chemistry
• Physics
• englisg
• English
• Others,Chemistry
• Eng
• Odia
• Education,Zoology

Authors

• dalai,pattanaik and das, sethi and jena
• S.N,Bhattacharjee
• S.B.,Biswas
• Grove , Newell
• G,Sahu
• w.s.
• Bhagwan , Bhuyan,Sharma,Shharma
• jepson, r.w.,jepson, r.w.
• soma
• M.,Ram