Arif Fitra Setyawan, Amelia Devi Putri Ariyanto, Fari Katul Fikriah, and Rozaq Isnaini Nugraha, “Analisis Sentimen Ulasan iPhone di Amazon Menggunakan Model Deep Learning BERT Berbasis Transformer”, ELKOM, vol. 17, no. 2, pp. 447–452, Dec. 2024.