PENGARUH PRODUCT ATTRIBUTE, REFERENCE GROUP, DAN BRAND TRUST TERHADAP BRAND LOYALTY PADA WARALABA DONAT DI JAKARTA BARAT. JBA [Internet]. 2018 May 11 [cited 2026 Jun. 15];19(1a-2):91-4. Available from: https://jurnaltsm.id/index.php/JBA/article/view/302