| 1 | ||
| Researcher: | Rao, N N | |
| Guide: | Modi, V V | |
| University: | Maharaja Sayajirao University of Baroda | |
| Language: | English | |
| Shodhganga | ||
| 2 | ||
| Researcher: | Prasada Rao, K N V | |
| Guide: | Seetharamulu, KKrishnamurthy, S | |
| University: | Indian Institute of Technology-delhi | |
| Language: | English | |