| 1 | ||
| Researcher: | Singh, Surjit | |
| Guide: | Thukral, Praveen | |
| University: | Guru Nanak Dev University | |
| Language: | English | |
| Shodhganga | ||
| 2 | ||
| Researcher: | Seyed Younes Mohammadi Yousef Nejad | |
| Guide: | Raju S | |
| University: | University of Kerala | |
| Language: | English | |
| Shodhganga | ||
| 3 | ||
| Researcher: | Makkar, Narinder | |
| Guide: | Kaur, Pushpinder | |
| University: | Punjabi University | |
| Language: | English | |
| Shodhganga | ||