| 1 | ||
| Researcher: | Srinivasulu, B. | |
| Guide: | Nagarapu, Lingaiah | |
| University: | Sri Krishnadevaraya University | |
| Language: | English | |
| Shodhganga | ||
| 2 | ||
| Researcher: | Rao, Venkateswara N. | |
| Guide: | Naidu, A.Nagarapu, Lingaiah | |
| University: | Jawaharlal Nehru Technological University, Hyderabad | |
| Language: | English | |
| Shodhganga | ||