| 1 | ||
| Researcher: | Manna, Bandana | |
| Guide: | Santiniketan | |
| University: | Visva Bharati | |
| Language: | English | |
| 2 | Contribution of market research in advertising and the business sphere | |
| Researcher: | Manna, Debi Prasad | |
| University: | University of Calcutta | |
| Language: | English | |
| Shodhganga | ||