., Arman; ., Alang; MALAGO, Yusrianto. Information System Analysis of Assistance Services for Persons with Social Welfare Problems Based on Android Towards Smart City. KnE Social Sciences, [S. l.], v. 4, n. 14, p. 90–98, 2020. DOI: 10.18502/kss.v4i14.7861. Disponível em: https://knepublishing.com/index.php/KnE-Social/article/view/7861. Acesso em: 19 jul. 2025.