| 1 | ||
| Researcher: | Sekhar, G Chandra | |
| Guide: | Krishnamacharyulu, C S G | |
| University: | Sri Venkateswara University | |
| Language: | English | |
| Shodhganga | ||
| 2 | ||
| Researcher: | Kathayini, J | |
| Guide: | Krishnamacharyulu, C S G | |
| University: | Sri Venkateswara University | |
| Language: | English | |
| Shodhganga | ||