Categories

• enviromental studies
• Others,Biology
• psycholigy
• Economics,History
• Political Science,Education
• Botany,Physics
• zoolozy
• Mathematics
• Biology
• Logic

Authors

• hin
• D.,jencks, c. & riesman
• Other,Acharya ,Mohanty , S
• Kumar R
• N,Mahapatra
• Hill , l.a
• P.K.
• J.,willet,J.,willet
• suda
• Reed, Daniel