Danquah-Amoah, A., Sembaiyan Gunasekaran, V., Fosuhene, A. A., & Sitti, M. (2026). Explainable Machine Learning for Physical Activity Intensity Classification using Multimodal Wearable Sensors and Sensor Ablation Analysis. International Journal of Physical Education, Fitness and Sports, 15(4), 20–35. https://doi.org/10.54392/ijpefs2642