| 1 | ||
| Researcher: | Kumar, Govind | |
| Guide: | Lal, Madan | |
| University: | Banaras Hindu University,Varanasi | |
| Language: | English | |
| Shodhganga | ||
| 2 | ||
| Researcher: | Gupta ,Suresh Kumar | |
| Guide: | Sharma , R. P. | |
| University: | University of Hyderabad, Hyderabad | |
| Language: | English | |
| Shodhganga | ||