| 1 | |
| Researcher: | Mitra, Durgadas |
| University: | University of Calcutta |
| Language: | English |
| 2 | |
| Researcher: | Bhatt, Purushottam Naranlal |
| University: | University of Mumbai |
| Language: | English |
| 3 | |
| Researcher: | Kaji, Shantilal Manilal |
| University: | University of Mumbai |
| Language: | English |