| 1 | ||
| Researcher: | Singh, Munendra Kumar | |
| University: | University of Allahabad | |
| Language: | English | |
| Shodhganga | ||
| 2 | ||
| Researcher: | Kausalya, M | |
| University: | University of Madras | |
| Language: | English | |
| 3 | ||
| Researcher: | Patel, Kanubhai Shivabhai | |
| University: | Sardar Patel University | |
| Language: | English | |
| 4 | ||
| Researcher: | Patel, Vishnubhai Maganbhai | |
| University: | Sardar Patel University | |
| Language: | English | |