Rao Devineni, Subba
Golla, Madhava
Basha Shaik, Thaslim
Avilala, Janardhan
Sudhana Saddala, Madhu
Golla, Narasimha
Raju Chamarthi, Naga
Funding for this research was provided by:
University Grant Commisssion (F-7-187/2007(BSR))
University Grants Commission (F.17-142/98(SA-1))
University Grant Commission (F.17-142/98(SA-1))