The Influence of Price and Promotion on MSME Product Sales with Halal Certification as a Moderating Variable. Jurnal Penelitian Ilmiah Multidisipliner , [S. l.], v. 3, n. 01, 2026. Disponível em: https://ojs.ruangpublikasi.com/index.php/jpim/article/view/1856.. Acesso em: 24 apr. 2026.