HANGGARA, B. T.; FIAJI, N. A.; ZULVARINA, P. Aksara: Interactive Digital Pocket Books as an Effort to Increase Politeness in Language. Journal of Information Technology and Computer Science, [S. l.], v. 5, n. 2, p. 151–159, 2020. DOI: 10.25126/jitecs.202052156. Disponível em: https://jitecs.ub.ac.id/index.php/jitecs/article/view/156. Acesso em: 16 aug. 2022.