| 1 | ||
| Researcher: | Vattikuti, Usha Rani | |
| Guide: | Dubey, P. K. | |
| University: | Jawaharlal Nehru Technological University, Hyderabad | |
| Language: | English | |
| Shodhganga | ||
| 2 | ||
| Researcher: | George, Liz Hannah | |
| Guide: | Sailaja, G S and Prathapan, S | |
| University: | Cochin University of Science & Technology, Cochin | |
| Language: | English | |
| Shodhganga | ||