Categories

• economy
• Chemistry
• Others,English
• Others,Physics
• English
• zoolozy
• Eng
• Others,Chemistry
• Economics
• odiya

Authors

• Mahapatra C.P
• Pattanaik, K.M.
• Udgata G.C
• Mishra P.K,Gupta B.D
• kachroo
• g.p.
• Datt , k.p.m., rudar and sundaram,Datt , k.p.m., r
• Todaru
• Singh,Sijwali
• Tyra , Kundan