Business Spending on Research and Development and its Relationship to Invention and Innovation. ENTRENOVA - ENTerprise REsearch InNOVAtion, [S. l.], v. 6, n. 1, p. 542–552, 2020. Disponível em: https://ojs.srce.hr/index.php/entrenova/article/view/13507. Acesso em: 19 aug. 2025.