| 1 | ||
| Researcher: | Jaswinder Singh | |
| Guide: | Maninder Lal Singh | |
| University: | Guru Nanak Dev University | |
| Language: | English | |
| Shodhganga | ||
| 2 | ||
| Researcher: | Bhalla, Jaswinder Singh | |
| Guide: | Arya, Baljit Singh | |
| University: | Chaudhary Charan Singh University | |
| Language: | English | |
| Shodhganga | ||