Rachmahsari, Ananda. “PENGARUH INOVASI PRODUK DAN PRODUCT KNOWLEDGE TERHADAP BRAND AWARENESS LETTERPRESS.CO”. PERFORMA 6, no. 2 (July 2, 2021): 114–123. Accessed February 19, 2026. https://ojs.somebut.my.id/index.php/performa/article/view/2057.