LYU, Jun; WANG, Shanshan. Study on the Impact of Marketing Expenses on the Operational Performance of Pharmaceutical Companies: A Case Study of CR Sanjiu Pharmaceutical Co., Ltd. Frontiers in Business, Economics and Management, [S. l.], v. 10, n. 1, p. 209–214, 2023. DOI: 10.54097/fbem.v10i1.10372. Disponível em: https://drpress.org/ojs/index.php/fbem/article/view/10372. Acesso em: 13 sep. 2026.