PENGARUH KUALITAS PRODUK, BRAND AMBASSADOR, BRAND IMAGE DAN BRAND AWARENESS TERHADAP KEPUTUSAN PEMBELIAN ULTRA MILK X STRAY KIDS DI KOTA YOGYAKARTA. Efektif : Jurnal Bisnis dan Ekonomi, [S. l.], v. 15, n. 1 Juni, p. 63–87, 2024. DOI: 10.37159/Efektif2024.Vol15.No1.006. Disponível em: https://jurnalefektif.janabadra.ac.id/index.php/ojs/article/view/31.. Acesso em: 15 jun. 2025.