SALESPERSON’S SUPPORT SYSTEMS: OPTIMIZING JOB PERFORMANCE IN THE NIGERIAN PHARMACEUTICAL INDUSTRY. American Journal of Business Management, Economics and Banking, [S. l.], v. 28, p. 108–126, 2024. Disponível em: https://americanjournal.org/index.php/ajbmeb/article/view/1395. Acesso em: 10 may. 2026.