| 1 | ||
| Researcher: | Singh, Ran Vijay | |
| Guide: | Rai, Narvadeshwar | |
| University: | Banaras Hindu University | |
| Language: | Hindi | |
| 2 | ||
| Researcher: | Singh, Ran Vijay | |
| Guide: | Rai, Mandhata | |
| University: | V. B. S. Purvanchal University | |
| Language: | English | |
| Shodhganga | ||
| 3 | ||
| Researcher: | Singh, Ran Vijay | |
| Guide: | Singh, Samar Bahadur | |
| University: | V. B. S. Purvanchal University | |
| Language: | English | |
| Shodhganga | ||
| 4 | Investigation the efficiencies of some factors-type estimators under polynomial regression models | |
| Researcher: | Singh, Ran Vijay Kumar | |
| University: | Banaras Hindu University | |
| Language: | English | |