| 1 | |
| Researcher: | Karkar, D B |
| Guide: | Shastri, Y S |
| University: | Gujarat University |
| Language: | Hindi |
| 2 | |
| Researcher: | Chandratra, P D |
| University: | Gujarat University |
| Language: | English |
| 3 | |
| Researcher: | Sharma, J D |
| University: | Dr Bhimrao Ambedkar University |
| Language: | English |