Ang, Andhika Kevin. “ANALISIS KEGIATAN PROMOSI PADA PRODUK SIRSAKOE”. Jurnal Performa: Jurnal Manajemen dan Start-up Bisnis 1, no. 3 (September 6, 2016): 368–375. Accessed February 20, 2026. https://journal.uc.ac.id/index.php/performa/article/view/180.