| 1 | ||
| Researcher: | Harjinder Singh | |
| Guide: | Jain, K C | |
| University: | Barkatullah Vishwavidyalaya | |
| Language: | English | |
| 2 | ||
| Researcher: | Harjinder Singh | |
| Guide: | Pajni, H R | |
| University: | Panjab University | |
| Language: | English | |
| 3 | ||
| Researcher: | Harjinder Singh | |
| Guide: | Arora, K K | |
| University: | University of Jammu | |
| Language: | English | |
| 4 | Agricultural development in Ethiopia during three Plan periods | |
| Researcher: | Harjinder Singh | |
| Guide: | Daleep Singh | |
| University: | University of Delhi | |
| Language: | English | |
| 5 | ||
| Researcher: | Harjinder Singh | |
| Guide: | Gurmit Singh | |
| University: | Guru Nanak Dev University | |
| Shodhganga | ||