| 1 | ||
| Researcher: | Srinivas, Telikepalle | |
| Guide: | Rao, Gangadhara | |
| University: | Acharya Nagarjuna University, Guntur | |
| Language: | English | |
| 2 | ||
| Researcher: | Rao, Bhaskara B. | |
| Guide: | Duraivel, T. | |
| University: | Pondicherry University, Puducherry | |
| Language: | English | |
| Shodhganga | ||