Categories

• Education
• Economic
• Environmental Studies
• evs
• Eng
• Others,Biology
• Physics,odiya
• Economics
• Others,Chemistry
• Mathematics

Authors

• Das , r.c.,bhatnagar and bhatnagar
• artein
• a.a.
• Kiran
• ellsworth and leith
• Agrawal,R.C
• Mishra , S.M
• Mesville , Kenney
• zemanashy, m.w.
• A.N,melkote r.s. and rao,A.N,melkote r.s. and rao