| 1 | |
| Researcher: | Puran Chand |
| University: | University of Roorkee |
| Language: | English |
| 2 | |
| Researcher: | Kalsi, Puran Chand |
| Guide: | Bassi, P S |
| University: | University of Jammu |
| Language: | English |
| 3 | |
| Researcher: | Kalsi, Puran chand |
| Guide: | Bassi, P S |
| University: | University of Jammu |
| Language: | English |