| 1 | ||
| Researcher: | Dharmendra Singh | |
| Guide: | Ansari, Afzal M | |
| University: | Aligarh Muslim University | |
| 2 | ||
| Researcher: | Dharmendra Singh | |
| Guide: | Shobha Sudhas | |
| University: | Devi Ahilya Vishwavidyalaya | |
| Shodhganga | ||
| 3 | jhunjhunu shahar mein paryaavaran pradooshan ka bhaugolik vishleshanaatmak adhyayan | |
| Researcher: | Dharmendra Singh | |
| Guide: | Madhu Gupta and Sunil Kumar Verma | |
| University: | Shri Jagdishprasad Jhabarmal Tibarewala University | |
| Shodhganga | ||
| 4 | ||
| Researcher: | Dharmendra Singh | |
| Guide: | Dr. M. Afzal Ansari | |
| University: | Aligarh Muslim University | |
| Language: | English | |
| Shodhganga | ||