| 1 | ||
| Researcher: | GOPALAKRISHNAN, G | |
| Guide: | BRINDHA, G | |
| University: | Bharath University, Chennai | |
| Language: | English | |
| Shodhganga | ||
| 2 | ||
| Researcher: | Nair, Gopalakrishnan K | |
| Guide: | Nair, Parameswaran N | |
| University: | Cochin University of Science and Technology | |
| Language: | English | |
| 3 | ||
| Researcher: | Gopalakrishnan, B K | |
| University: | Gandhigram Rural Institute | |
| Language: | English | |