| 1 | ||
| Researcher: | B. Chandrasekharam | |
| Guide: | Prof. S. Ramakrishna | |
| University: | Sri Venkateswara University | |
| Language: | English | |
| Shodhganga | ||
| 2 | ||
| Researcher: | M.Jayakameswaraiah | |
| Guide: | Prof. S. Ramakrishna | |
| University: | Sri Venkateswara University | |
| Language: | English | |
| Shodhganga | ||