Categories

• Environmental Studies
• Others,Chemistry
• Hindi
• Others,History
• zoolozy
• Philosophy
• psycholigy
• Other
• Others,Botany
• Zoology,odiya

Authors

• M.,gray,M.,gray
• Wrenn, c.l.
• Showick
• Royasi
• Mishra , B.K.,B.P,Lenka
• Peleg, Pnini , Zarur
• Sen, A.
• Bhatnagar ,M.K
• Others,Vashista
• brijlal and subramayam,Acharya , singh and jena