Categories

• Other
• Economics
• Logic
• Others,Physics
• Physics,History
• Education
• evs
• psycholigy
• Biology,odiya
• zoolozy

Authors

• b.c.,mazumdar,b.c.,mazumdar
• swain and behera,Mishra , mohanty and praharya
• Hardin
• Gauba, O.P
• Gasstrell
• Baron
• Pattanaik J
• Prasad S
• Mishra , ranganatha
• b.s.,gotlfried