The Influence of Celebrity Endorsement and Halal Label on Purchasing Decisions of Wardah Products (Study on Undergraduate Students of the Faculty of Economics and Business, Mulawarman University). ALMUSTOFA: Journal of Islamic Studies and Research, [S. l.], v. 3, n. 1, p. 231–241, 2026. Disponível em: https://ejournal.bamala.org/index.php/almustofa/article/view/869. Acesso em: 16 jul. 2026.