| 1 | ||
| Researcher: | Singh, C P | |
| University: | Ranchi University | |
| Language: | English | |
| 2 | ||
| Researcher: | Singh, C P | |
| Guide: | Maheswari, H S and Misra | |
| University: | Dr. Harisingh Gour Vishwavidyalaya | |
| Language: | English | |
| Shodhganga | ||
| 3 | ||
| Researcher: | Singh, C P P | |
| Guide: | Saraf, D N | |
| University: | Indian Institute of Technology-kanpur | |
| Language: | English | |