Jelfs, P., Holford, A. and Sartori, T. (2023) 'Labour market contributions of UK and foreign-born PhD holders: implications for visa, immigration and tax policy'.

Jelfs, P. and Smith, HL. (2022) 'A comparative study of the survival of university spin-off companies (USOs) in the post-industrial UK West Midlands region'. Studies in Higher Education, 47 (10). pp. 1 - 10. ISSN: 0307-5079

Jelfs, P. and Lawton Smith, H. (2021) 'Financial performance studies of university spin-off companies (USOs) in the West Midlands'. Journal of Technology Transfer, 46 (6). pp. 1949 - 1972. ISSN: 0892-9912

Jelfs, P. (2016) 'Financial performance analysis of spin-off companies from a UK 'regional' university: A case study of the University of Birmingham'. International Journal of Entrepreneurship and Small Business, 29 (2). pp. 271 - 286. ISSN: 1476-1297

Robertson, EG., Hockridge, MR., Jelfs, PD. and Simons, JP. (2001) 'IR-UV ion-depletion and fluorescence spectroscopy of 2-phenylacetamide clusters: Hydration of a primary amide'. Physical Chemistry Chemical Physics, 3 (5). pp. 786 - 795. ISSN: 1463-9076

Robertson, EG., Hockridge, MR., Jelfs, PD. and Simons, JP. (2000) 'IR-UV ion-dip spectroscopy of n-benzylformamide clusters: Step wise hydration of a model peptide'. Journal of Physical Chemistry A, 104 (50). pp. 11714 - 11724. ISSN: 1089-5639