| 1 | ||
| Researcher: | Subhadramma. S | |
| Guide: | Dr. NAVEEN CHANDRA | |
| University: | Dr. M.G.R. Educational and Research Institute | |
| Language: | English | |
| Shodhganga | ||
| 2 | ||
| Researcher: | Pakkalla Subhadramma | |
| Guide: | Prof. Garlapati Dhamodharnaidu | |
| University: | Sri Venkateswara University | |
| Shodhganga | ||
| 3 | Studies on fading of radio-signals of medium & high frequencies | |
| Researcher: | Subhadramma, G V | |
| University: | Banaras Hindu University | |
| Language: | English | |