| 1 | |
| Researcher: | Harbhajan singh |
| Guide: | Chopra, K LMalhotra, L K |
| University: | University Of Delhi |
| Language: | English |
| 2 | New farm technology and income distribution of Punjab Farmers |
| Researcher: | Bal, Harbhajan Singh |
| Guide: | Manmohan Singh, H KJoh, S S |
| University: | Punjabi University |
| Language: | English |