| 1 | Rail and road transport in India: A study in optimum size and organisation |
| Researcher: | Mathew, M O |
| University: | Andhra University |
| Language: | English |
| 2 | |
| Researcher: | Ramanadham, V V |
| University: | Andhra University |
| Language: | English |
| 3 | |
| Researcher: | Mathew, M O |
| University: | Andhra University |
| Language: | English |