Innovation Strategy Of Improving Brilliant English Course Business. Proceeding Kilisuci International Conference on Economic & Business, [S. l.], v. 3, p. 675–689, 2025. DOI: 10.29407/z111q666. Disponível em: https://proceeding.unpkediri.ac.id/index.php/kilisuci/article/view/6243. Acesso em: 12 oct. 2026.