Categories

• evs
• Others,Physics
• Others,Chemistry
• zoolozy
• Ethics and Values
• Other
• Education,Zoology
• Zoology,odiya
• Economics,History
• Others,Botany

Authors

• Rees, R.J
• bhatnagar and bhatnagar,K.S.,sidhu
• e.m.
• Rajkumar
• Sathpathi , Samantery
• r. and rohr d.g.
• Mishra , Mishra , Kabi ,Khannu V.N
• Bunton, D.M.
• Mohapatra , g.n.
• Johnton