| 1 | Important trade centres and routes in Northern India, C 322 B.C-500A.D |
| Researcher: | Agarwal, Ramsewak |
| Guide: | Vashishtha, G S |
| University: | Ch Charan Singh University |
| Language: | English |
| 2 | |
| Researcher: | Bhagwat, Swarup |
| Guide: | Vashishtha, G S |
| University: | Ch Charan Singh University |
| Language: | English |