| 1 | ||
| Researcher: | Chopra, Hans Raj | |
| Guide: | Anand, A KSharma, S L | |
| University: | Panjab University | |
| Language: | English | |
| 2 | ||
| Researcher: | Chopra, H R | |
| Guide: | Anand, A KSharma, S L | |
| University: | Panjab University | |
| Language: | English | |
| 3 | ||
| Researcher: | Chopra, Hans Raj | |
| Guide: | Anand, A K | |
| University: | Panjab University | |
| Language: | English | |
| Shodhganga | ||