Albar, Berri Brilliant, Mayang Larasati, and Sapta Eka Putra. “Market Testing Dan Positioning Produk Inovasi”. AMAR (Andalas Management Review) 4, no. 2 (November 30, 2020): 73–88. Accessed October 12, 2026. https://amareview.fekon.unand.ac.id/index.php/amar/article/view/36.