| 1 | |
| Researcher: | Dhillon, Balkar Singh |
| Guide: | Sidhu, D S |
| University: | Punjab Agricultural University |
| Language: | English |
| 2 | Intertemporal changes in resource productivity and economic efficiency in Punjab agriculture |
| Researcher: | Surjit Singh |
| Guide: | Sidhu, D S |
| University: | Panjab University |
| Language: | English |