| 1 | |
| Researcher: | Choudhary, Guru Prasad |
| Guide: | Hazari, A |
| University: | Babasaheb Bhimrao Ambedkar Bihar University |
| Language: | English |
| 2 | |
| Researcher: | Sharma, Suresh Chandra |
| Guide: | Hazari, A |
| University: | Babasaheb Bhimrao Ambedkar Bihar University |
| Language: | English |