Munti, N. Y. S. .; Irawan, Y. .; Yuhandri, M. H. . An Optimized Heterogeneous Stacking Ensemble With Hyperparameter Optimization for Multi Class Hypertension Risk Classification. International Journal of Advances in Data and Information Systems 2026, 7 (2), 847-862. https://doi.org/10.59395/ijadis.v7i2.1637.