| 1 | ||
| Researcher: | Babu, Golturu Suresh | |
| Guide: | Choudhury, U. K.Das, G Tulasi Ram | |
| University: | Jawaharlal Nehru Technological University, Hyderabad | |
| Language: | English | |
| Shodhganga | ||
| 2 | ||
| Researcher: | Ranga Reddy, Y | |
| Guide: | Lalitha Sirdeshmukh | |
| University: | Kakatiya University | |
| Language: | English | |