| 1 | ||
| Researcher: | Upadhyaya, Radha Krishna | |
| University: | Dr Harisingh Gour Vishwavidyalaya | |
| Language: | English | |
| Shodhganga | ||
| 2 | ||
| Researcher: | Pathak, Radha Krishna | |
| Guide: | Tripathi, R D | |
| University: | Chhatrpati Shahu Ji Maharaj University | |
| Language: | English | |
| 3 | ||
| Researcher: | Radha Krishna Murty, V | |
| University: | Andhra University | |
| Language: | English | |