Jessica, J., Tryana, M. and Fitri, I. 2025. Challenges in building a brand image for entrepreneurial-based vocational institutions : a case study of Wilmar Business Indonesia Polytechnic. Jurnal Mantik. 9, 3 (Nov. 2025), 1119-1128. DOI:https://doi.org/10.35335/mantik.v9i3.6783.