GREEN, P. Service System Interactions At Tertiary Institutions: A South African Perspective. International Business & Economics Research Journal (IBER), [S. l.], v. 13, n. 1, p. 11–20, 2013. DOI: 10.19030/iber.v13i1.8352. Disponível em: https://clutejournals.com/index.php/IBER/article/view/8352. Acesso em: 17 jul. 2024.