| 1 | Uttar Pradesh me gramin rojgar parak karyakramo ka mulyankan: ek adhyayan | |
| Researcher: | Rai, Vibha | |
| Guide: | Singh, Ashok Kumar ; Singh | |
| University: | V. B. S. Purvanchal University | |
| Shodhganga | ||
| 2 | ||
| Researcher: | Rai, Vibha | |
| Guide: | Rai, Chandradev | |
| University: | V. B. S. Purvanchal University | |
| Shodhganga | ||
| 3 | ||
| Researcher: | Rai, Vibha | |
| Guide: | Singh, Ashok Kumar | |
| University: | V. B. S. Purvanchal University | |
| Shodhganga | ||
| 4 | Bhojpuri ke prabandhatmak lok geeton ka kavyashastriye vivechan | |
| Researcher: | Rai, Vibha | |
| Guide: | Singh, Ramvriksh | |
| University: | V. B. S. Purvanchal University | |
| Shodhganga | ||