MULIA, Hari; SAFITRI, Ajeng Erna. Optimisation of Digital Marketing in Increasing Competitive Advantage: Case Study of Elzatta Hijab Garut. Golden Ratio of Data in Summary, [S. l.], v. 3, n. 2, p. 43–48, 2023. DOI: 10.52970/grdis.v3i2.1072. Disponível em: https://www.goldenratio.id/index.php/grdis/article/view/1072. Acesso em: 20 apr. 2026.