MASAMBA, Eluide. The Effects of Demand Fluctuations on Business Profitability: Evidence from Manufacturing Firms in Ndola District, Zambia . African Journal of Commercial Studies, [S. l.], v. 7, n. 4, p. 10–14, 2026. DOI: 10.59413/ajocs/v7.i4.2. Disponível em: https://ijcsacademia.com/index.php/journal/article/view/629. Acesso em: 5 jul. 2026.