| 1 | |
| Researcher: | Surendranath, P | 
| Guide: | Ramana Rao, K V | 
| University: | Sri Venkateswara University | 
| Language: | English | 
| 2 | |
| Researcher: | Munirathnam Naidu, M | 
| Guide: | Ramamurthi, R | 
| University: | Sri Venkateswara University | 
| Language: | English | 
| 3 | |
| Researcher: | Jayamma, S | 
| Guide: | Padmanabha Naidu, B | 
| University: | Sri Venkateswara University | 
| Language: | English |