Siregar, Surya Handoko, Muhammad Aulia Zuhri, Adawiyah Rahmayanti Siregar, and Winda Maisaroh Hasibuan. “ANALISIS TINGKAT BRAND LOYALTY PADA PRODUK SHAMPOO MEREK “SUNSILK””. Ad-Deenar: Jurnal Ekonomi dan Bisnis Islam 6, no. 001 (January 5, 2023): 1–14. Accessed February 2, 2026. https://www.jurnal.staialhidayahbogor.ac.id/index.php/ad/article/view/3489.