| 1 | |
| Researcher: | Raiwal, P J |
| Guide: | Patel, Dhirubhai |
| University: | Gujarat University |
| Language: | Gujarati |
| 2 | |
| Researcher: | Bose, P Subhashchandra |
| Guide: | Sivagurunathan, G |
| University: | Bharathidasan University |
| Language: | Tamil |
| 3 | |
| Researcher: | Grewal, M P S |
| Guide: | Bhatt, M |
| University: | Kumaun University |
| Language: | English |
| 4 | |
| Researcher: | Rawal, P J |
| Guide: | Patel, Dhirubhai |
| University: | Gujarat University |
| Language: | Gujarati |