| 1 | |
| Researcher: | Ramana, D V |
| University: | Indian Institute of Technology-Madras |
| Language: | English |
| 2 | |
| Researcher: | Ramana, D V |
| University: | Andhra University |
| Language: | English |
| 3 | |
| Researcher: | Ramana, D V |
| Guide: | Kamaraju, N Panthaulu |
| University: | Sri Venkateswara University |
| Language: | English |