| 1 | |
| Researcher: | Sharma, Brij Mohan |
| Guide: | Taval, H D |
| University: | Hemwati Nandan Bahuguna Garhwal University |
| Language: | English |
| 2 | |
| Researcher: | Bhatia, Brij Mohan Lal |
| Guide: | Sawhney, S S |
| University: | Hemwati Nandan Bahuguna Garhwal University |
| Language: | English |