| 1 | |
| Researcher: | Ramchandran, C |
| Guide: | Shanmugam, T N |
| University: | Anna University |
| Language: | English |
| 2 | The role of travel agents and airline operators in promoting international tourism |
| Researcher: | Ramchandran Pillay, K P |
| Guide: | Rajendran, P |
| University: | Algappa University |
| Language: | English |