KISYERI , D. M.; KIRA, A. R. . Influence of Marketing Expenses on the Profitability of the Listed Manufacturing Companies in Tanzania. PAN-AFRICAN JOURNAL OF BUSINESS MANAGEMENT, [S. l.], v. 6, n. 2, 2023. DOI: 10.61538/pajbm.v6i2.1241. Disponível em: https://journals.out.ac.tz/index.php/pajbm/article/view/1241. Acesso em: 18 may. 2025.