| 1 | ||
| Researcher: | Krishna Murty Nelapudi | |
| Guide: | N. Nirmalamani | |
| University: | Acharya Nagarjuna University, Guntur | |
| Language: | English | |
| Shodhganga | ||
| 2 | ||
| Researcher: | Kota, Sumalatha | |
| Guide: | V., Divyathejomurthy | |
| University: | Acharya Nagarjuna University, Guntur | |
| Language: | English | |