| 1 | |
| Researcher: | Sinha, Devendra Kumar |
| Guide: | Prasad, Brahamanand |
| University: | Patna University |
| Language: | English |
| 2 | Solution of perturbed system of differential equation and related dynamical system |
| Researcher: | Sinha, Devendra Kumar |
| University: | Magadh University |
| Language: | English |