LUBIS, R. K. .; ZEIN, A. . Strategi Digital Marketing Jasa Fotografi (Analisis Akun Facebook @Sumatera Utara). Jurnal Sains dan Teknologi, [S. l.], v. 6, n. 2, p. 257-260, 2024. DOI: 10.55338/saintek.v6i2.3685. Disponível em: http://ejournal.sisfokomtek.org/index.php/saintek/article/view/3685. Acesso em: 7 nov. 2025.