Customer Satisfaction with PLN Mobile Application at PT PLN (Persero) ULP Samarinda Ilir: A Qualitative Study. International Journal of Economic and Business Research, [S. l.], v. 1, n. 3, p. 01–15, 2026. DOI: 10.65310/za2acq87. Disponível em: https://researchfrontiers.id/profixa/article/view/191. Acesso em: 28 jul. 2026.