| 1 | ||
| Researcher: | Goyal, Ashvani | |
| Guide: | Tyagi, G K | |
| University: | Maharshi Dayanand University | |
| Language: | English | |
| Shodhganga | ||
| 2 | ||
| Researcher: | Sharma, Ishwar Chander | |
| Guide: | Hari, P KKaushik, R C D | |
| University: | Maharshi Dayanand University | |
| Language: | English | |
| Shodhganga | ||