“Analysis of Marketing Strategies to Increase Sales Volume at Bakso Pak Karmin Trading Business” (2026) Kahayan: Jurnal Kajian dan Riset Ekonomi, 1(1), hlm. 1–13. Tersedia pada: https://abecen.com/index.php/Kahayan/article/view/2 (Diakses: 13 Juni 2026).