| 1 | |
| Researcher: | Dwivedi, S D |
| University: | Deendayal Upadhyay Gorakhpur University |
| Language: | English |
| 2 | |
| Researcher: | Dwivedi, Indu Kant |
| University: | Rani Durgavati Vishwavidyalaya |
| Language: | Hindi |
| 3 | |
| Researcher: | Dwivedi, Nagendra Kumar |
| University: | Banaras Hindu University |
| Language: | Hindi |