Aldania, Annisarahmi Nur Aini, et al. “A Comparative Study of CatBoost and Double Random Forest for Multi-Class Classification”. Jurnal RESTI (Rekayasa Sistem Dan Teknologi Informasi), vol. 7, no. 1, Feb. 2023, pp. 129-37, https://doi.org/10.29207/resti.v7i1.4766.