FURQORINA, R.; FIRDAUS, M. I. . Achievement of BLU financial performance in the field of education services before and during the COVID-19 pandemic. Jurnal Mantik, [S. l.], v. 7, n. 2, p. 1148-1155, 2023. Disponível em: https://www.ejournal.iocscience.org/index.php/mantik/article/view/4022. Acesso em: 1 may. 2026.