| 1 | ||
| Researcher: | Sakunthala M | |
| Guide: | Ragupathi M | |
| University: | Periyar University | |
| Language: | English | |
| Shodhganga | ||
| 2 | Problems and prospects of lorry owners in Tamil Nadu a study with special reference to salem zone | |
| Researcher: | Sasikumar M | |
| Guide: | Ragupathi M | |
| University: | Periyar University | |
| Language: | English | |
| Shodhganga | ||