Marketing Improvement Through Making Cumcum Cakes in Various Flavors at the Kampung Tajung Bread and Cake Business in Polagan Village, Sampang Regency. Semar: Jurnal Pengabdian Kepada Masyarakat, [S. l.], v. 2, n. 1, p. 1–10, 2026. DOI: 10.54732/semarjpkm.v2i1.1. Disponível em: https://ejournal.ubhara.ac.id/index.php/semar/article/view/1681. Acesso em: 19 may. 2026.