Baktibayev, D., A. Serek, B. Berlikozha, and B. Rustauletov. “Resource-Efficient Sentiment Classification of App Reviews Using a CNN-BiLSTM Hybrid Model”. Buletin Ilmiah Sarjana Teknik Elektro, vol. 7, no. 3, Aug. 2025, pp. 427-33, doi:10.12928/biste.v7i3.13954.