TARIGAN, Roberto Pehulisa; WAHYUDI, Andreo; FITRIATI, Rachma. Open Innovation Electronic Toll Collection Using Soft System Methodology. Golden Ratio of Mapping Idea and Literature Format, [S. l.], v. 5, n. 2, p. 12–20, 2025. DOI: 10.52970/grmilf.v5i2.1432. Disponível em: https://goldenratio.id/index.php/grmilf/article/view/1432. Acesso em: 20 may. 2026.