Analisis Pengaruh Brand Ambassador Terhadap Keputusan Pembelian Scarlett Whitening di Kabupaten Magelang (Studi Kasus pada Song Joong-ki, Twice, dan Dinda Hauw) Analysis of The Influence of The Ambassador Brand Scarlett Whitening Purchase Decision in Mag. EBBANK : Jurnal Ekonomi Bisnis dan Perbankan, v. 14, n. 1, 1 Jan2024.