Widyawono, Bryan. “STUDI PERSEPSI KONSUMEN TERHADAP VALUE PROPOSITION PRODUK SAMBAL ROAR”. Jurnal Performa: Jurnal Manajemen dan Start-up Bisnis 2, no. 2 (January 23, 2018): 162–170. Accessed November 2, 2026. https://ojs3.somebut.my.id/index.php/performa/article/view/449.