| 1 | ||
| Researcher: | Babu, Giridhar | |
| Guide: | Das, N. Lakshmana | |
| University: | Acharya Nagarjuna University, Guntur | |
| Language: | English | |
| 2 | ||
| Researcher: | Babu, Giridhar N | |
| Guide: | Das, Lakshmana N | |
| University: | Acharya Nagarjuna University, Guntur | |
| Language: | English | |
| Shodhganga | ||