| 1 | ||
| Researcher: | Gupta, B L | |
| University: | University of Mumbai | |
| Language: | English | |
| 2 | ||
| Researcher: | Gupta, R K | |
| University: | Himachal Pradesh University | |
| Language: | English | |
| 3 | ||
| Researcher: | Gupta, Shrikrishna Kumar | |
| University: | Vikram University | |
| Language: | English | |
| Shodhganga | ||
| 4 | ||
| Researcher: | Gupta, Shri Ram | |
| University: | University Of Delhi | |
| Language: | English | |