VANDERPAL, G. Nonlinear Effect of R&D Expenditures and Intangible Assets on Financial Performance: A Panel Threshold Analysis. Journal of Applied Business and Economics, [S. l.], v. 21, n. 9, 2019. DOI: 10.33423/jabe.v21i9.2686. Disponível em: https://articlegateway.com/index.php/JABE/article/view/2686. Acesso em: 22 dec. 2024.