CALLAGHAN, C. W. Higher Education Research Productivity: The Influences of Different Forms of Human Capital. South African Journal of Higher Education, [S. l.], v. 29, n. 5, 2016. DOI: 10.20853/29-5-522. Disponível em: https://www.journals.ac.za/index.php/sajhe/article/view/522. Acesso em: 11 mar. 2026.