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Widari S, Farida U, Setiawan F. PENGARUH PERSEPSI KUALITAS, BRAND IDENTITY, DAN BRAND TRUST TERHADAP LOYALITAS MEREK PADA PENGGUNA SMARTPHONE OPPO DI PONOROGO. AKTUAL [Internet]. 2022Dec.31 [cited 2025Dec.8];20(2). Available from: https://jurnal.stietrisnanegara.ac.id/index.php/aktual/article/view/264