| 1 | Study of Quasi-commutative semigroups, regular ideals and radicals |
| Researcher: | Harbans Lal |
| Guide: | Bhattacharya, P B |
| University: | University of Delhi |
| Language: | English |
| 2 | |
| Researcher: | Bhatia, Harbans Lal |
| Guide: | Kaul, R NPuri, M C |
| University: | University of Delhi |
| Language: | English |