| 1 | |
| Researcher: | Sinha, Birendra Kumar |
| Guide: | Pathak, Achutyanand |
| University: | Tilka Manjhi Bhagalpur University |
| Language: | English |
| 2 | |
| Researcher: | Dwivedi, Birendra Kumar |
| Guide: | Sharma, D |
| University: | Deendayal Upadhyay Gorakhpur University |
| Language: | English |