ISLAM, Tamanna; RAHMAN, Sadia; NAHAR, Nazmun. Factors Affecting Customer Satisfaction in 3G Service. American Scientific Research Journal for Engineering, Technology, and Sciences, Jordan, v. 14, n. 3, p. 202–217, 2015. Disponível em: https://asrjetsjournal.org/American_Scientific_Journal/article/view/1186. Acesso em: 19 dec. 2025.