Practising Customer Service by Trial and Error: An Investigation into the Extent and Nature of Customer Service Training/Education Received by Owners of Small Business Enterprises in Central Johannesburg. Mediterranean Journal of Social Sciences, [S. l.], v. 5, n. 20, p. 1475, 2014. Disponível em: https://www.richtmann.org/journal/index.php/mjss/article/view/3883.. Acesso em: 2 may. 2024.