| 1 | ||
| Researcher: | Harpal Singh | |
| Guide: | Manvinder Singh | |
| University: | Guru Nanak Dev University | |
| Shodhganga | ||
| 2 | ||
| Researcher: | Lakhanpal, Pinky | |
| Guide: | Manvinder Singh | |
| University: | Guru Nanak Dev University | |
| Language: | English | |
| Shodhganga | ||
| 3 | ||
| Researcher: | Joginder Singh | |
| Guide: | Manvinder Singh | |
| University: | Guru Nanak Dev University | |
| Shodhganga | ||