PUTRO, L. S. B. Analysis of the effect of the promotion mix on room revenue at the Malang Tidar Tourism Hotel. Digital Business: Tren Bisnis Masa Depan, [S. l.], v. 12, n. 2, p. 12–16, 2021. DOI: 10.59651/digital.v12i2.64. Disponível em: https://ejournal.cria.or.id/index.php/db/article/view/64. Acesso em: 21 apr. 2026.