| 1 | ||
| Researcher: | Raghutu, Ramakrishna | |
| Guide: | Rao, P.V. Ramana | |
| University: | Acharya Nagarjuna University, Guntur | |
| Language: | English | |
| 2 | ||
| Researcher: | Reddy, Ramakrishna K | |
| Guide: | Sharma, V. K.Dhanasekaran, B. | |
| University: | Bhagwant University | |
| Language: | English | |
| 3 | ||
| Researcher: | VSM Ramakrishna R | |
| Guide: | Gautam, Jai Prakash | |
| University: | University of Hyderabad, Hyderabad | |
| Language: | English | |
| Shodhganga | ||