EZEKIEL, M. S.; NDEM, S. E.; ENI, M. G. The Impact of Trade Promotion on Sales Volume in the Breweries Industry (A Study of Guinness Nigeria Plc). Nigerian Academy of Management Journal, [S. l.], v. 15, n. 4, p. 1–15, 2020. Disponível em: https://namj.tamn-ng.org/index.php/home/article/view/4. Acesso em: 16 apr. 2026.