MARTINICHA PAREDA TONDONAUNG; PRIHARTONO AKSAN HALIM. The Utilization of Digital Promotion as an Effort to Improve the Quality of Services and Training at the Center for Vocational and Productivity Training-Bandung . Greenation International Journal of Economics and Accounting, [S. l.], v. 3, n. 4, p. 691–704, 2026. DOI: 10.38035/gijea.v3i4.700. Disponível em: https://research.e-greenation.org/GIJEA/article/view/700. Acesso em: 10 feb. 2026.