Sudiatmika, I. P. G. A., D. A. M. P. Nusantari, and W. A. Putera. “Analisis Sentimen Aplikasi M-Pajak Menggunakan Machine Learning Berbasis Algoritma Xgboost”. RIGGS: Journal of Artificial Intelligence and Digital Business, vol. 5, no. 1, Feb. 2026, pp. 2377-83, doi:10.31004/riggs.v5i1.6425.