JESSICA, J.; TRYANA, M. .; FITRI, I. . Challenges in building a brand image for entrepreneurial-based vocational institutions : a case study of Wilmar Business Indonesia Polytechnic. Jurnal Mantik, [S. l.], v. 9, n. 3, p. 1119-1128, 2025. DOI: 10.35335/mantik.v9i3.6783. Disponível em: https://iocscience.org/ejournal/index.php/mantik/article/view/6783. Acesso em: 19 sep. 2026.