PURNOMO, Vicki Dwi. Land Transportation Polytechnic Alumni Forum: Pillar of Synergy for National Transportation Progress. Jurnal Sosial, Politik dan Budaya (SOSPOLBUD), [S. l.], v. 4, n. 2, p. 253–266, 2025. DOI: 10.55927/sospolbud.v4i2.14925. Disponível em: https://journal.formosapublisher.org/index.php/sospolbud/article/view/14925. Acesso em: 18 aug. 2026.