| 21 | ||
| Researcher: | Basu, Neela Victor | |
| Guide: | Rao, Jagadeeswara P | |
| University: | Andhra University, Waltair | |
| Language: | English | |
| 22 | ||
| Researcher: | Neela Victor Babu | |
| Guide: | Jagadeeswara Rao, P | |
| University: | Andhra University | |
| Language: | English | |
| Shodhganga | ||
| 23 | ||
| Researcher: | Anil, N C | |
| Guide: | Sankar, G NaiRao, Jagannandha MKumar, Satya M | |
| University: | Andhra University, Waltair | |
| Language: | English | |