| 1 | |
| Researcher: | Sambasiva Rao, Amjuri |
| Guide: | Subrahmaniyam, A R |
| University: | Andhra University |
| Language: | English |
| 2 | |
| Researcher: | Sambasiva Rao, Muddana |
| Guide: | Narsimha Murty, C C |
| University: | Andhra University |
| Language: | English |
| 3 | Studies on triterpenoids of euphorbia trigona How and E.Neriifolia linn |
| Researcher: | Sambasiva Rao, Gadde |
| University: | Andhra University |
| Language: | English |