R. A. Malik and M. R. . Frimadani, “Deep Sentiment Analysis of Halal Tourism: An Enhanced IndoBERT with Attention-Based and Coupling Latent Sampling on User-Generated Feedback”, J. RESTI (Rekayasa Sist. Teknol. Inf.) , vol. 10, no. 4, pp. 1107–1116, Aug. 2026, doi: 10.29207/resti.v10i4.7378.