Categories

• Logic
• psycholigy
• Eng
• economy
• Botany,Zoology
• Economics,Political Science
• Environmental Studies
• Hindi
• Economics,History
• History

Authors

• Arora, Gnther
• Mather
• Nanda S.K
• Das , j.k.,Das , j.k.
• Hooper
• Mishra , T.K.
• Bilgrami Pradhan,R,Nath
• Das , D.,pattanaik and das
• kennan
• Peck