CANNON, N. J.; ULFERTS, G. W.; HOWARD, T. L. Research And Development Investment. Journal of Business & Economics Research (JBER), [S. l.], v. 12, n. 3, p. 291–294, 2014. DOI: 10.19030/jber.v12i3.8733. Disponível em: https://clutejournals.com/index.php/JBER/article/view/8733. Acesso em: 17 jul. 2024.