LIU, Jinxuan. The Impact of Research and Development Expenses on Operating Revenue. Highlights in Business, Economics and Management, [S. l.], v. 23, p. 59–67, 2023. DOI: 10.54097/606w1z98. Disponível em: https://drpress.org/ojs/index.php/HBEM/article/view/14822. Acesso em: 23 may. 2026.