| 1 | ||
| Researcher: | V. PARVATHI | |
| Guide: | Dr.M. GANESAN | |
| University: | Bharathiar University | |
| Language: | English | |
| Shodhganga | ||
| 2 | ||
| Researcher: | Parvathi, V | |
| Guide: | Sunandamma, Y | |
| University: | Acharya Nagarjuna University, Guntur | |
| Language: | English | |
| 3 | ||
| Researcher: | Siva Parvathi, K V | |
| Guide: | Rao, K Pandu Ranga | |
| University: | Acharya Nagarjuna University, Guntur | |
| Language: | English | |