AL-HAKIM, Yusuf Rahman Al Hakim. Product Variance and Brand Image Determining Customer Loyalty: Purchase Behavior of Sosro Tea Products. Studi Ilmu Sosial Indonesia, [S. l.], v. 2, n. 1, p. 13–24, 2022. Disponível em: https://sisijournals.id/index.php/sisi/article/view/16. Acesso em: 3 sep. 2026.