SIREGAR, M. T. Design of Application Information Systems For Monitoring Enterprise Activities Integrated with Android Operating Systems. International Journal Technology and Business, [S. l.], v. 3, n. 1, p. 19–25, 2019. Disponível em: http://ijtb.esqbs.ac.id/index.php/IJTB/article/view/134. Acesso em: 12 mar. 2025.