PERMANA, RENDI SATIAWAN ELIS. PROMOTION EFFECT ANALYSIS THROUGH DIRECT BONUS IN PACKAGING PRODUCTS, PRODUCT QUALITY, AND BRAND TRUST INTERESTS AGAINST CONSUMERS BUY LIFEBUOY SOAP. Jurnal Manajerial, [S. l.], v. 1, n. 1, p. 91–98, 2018. DOI: 10.30587/jurnalmanajerial.v1i1.431. Disponível em: https://journal.umg.ac.id/index.php/manajerial/article/view/431. Acesso em: 22 may. 2025.