HANINDA, R. N.; INDRIYANI, N. D. Strategi Peningkatan Kualitas Layanan Melalui Digitalisasi di Telkomsel Grapari Plaza Marina Surabaya. Yos Soedarso Economic Journal (YEJ), [S. l.], v. 7, n. 1, p. 7–14, 2025. Disponível em: https://ejurnal.yossoedarso.ac.id/index.php/ysej-server/article/view/YEJ7102. Acesso em: 15 may. 2025.