PURWANTI, L.; EFFENDI, S. A. .; PRAKOSO, A. .; FASTA, S. . Revealing boarding room pricing practices during the covid-19 pandemic. Jurnal Mantik, [S. l.], v. 7, n. 3, p. 2391-2399, 2023. DOI: 10.35335/mantik.v7i3.4369. Disponível em: https://iocscience.org/ejournal/index.php/mantik/article/view/4369. Acesso em: 22 apr. 2026.