| 1 | ||
| Researcher: | Raj Krishan | |
| Guide: | Singh, Amar | |
| University: | Kurukshetra University | |
| Language: | English | |
| 2 | ||
| Researcher: | Raj Krishan | |
| University: | Dr Bhimrao Ambedkar University | |
| Language: | English | |
| 3 | ||
| Researcher: | RAJ KRISHAN | |
| Guide: | PAUL, Y.S. | |
| University: | Chaudhary Sarwan Kumar Himachal Pradesh Krishi Vishvavidyalaya | |
| Language: | English | |
| Shodhganga | ||
| 4 | ||
| Researcher: | Jain, Raj Krishan | |
| Guide: | Prasad, Chandrika | |
| University: | University of Roorkee | |
| Language: | English | |
| 5 | ||
| Researcher: | Shrivastava, Raj Krishan | |
| Guide: | Sabbaarwal, H N | |
| University: | Chhatrpati Shahu Ji Maharaj University | |
| Language: | English | |