Categories

• Environmental Studies
• Others,Chemistry
• Biology
• Others,odiya
• Others,Physics
• Others,Education
• englisg
• Others,Political Science
• Economics,History
• Education,Zoology

Authors

• Ratan
• Bhalia A.K
• W.,godwin
• Biswas , Biswas
• nagpaw
• D.P
• ahmed
• M.S.,manuel, m. samuel,M.S.,manuel, m. samuel
• BR
• cowie