Norhana Mat Salleh et al. 2026. Classification of Insidious Fruit Rot (IFR) Stages in Harumanis Mango by Utilising Vibration-Based Sensors with Machine Learning. Journal of Engineering Research and Education (JERE). 17, (Jan. 2026), 204–213. DOI:https://doi.org/10.58915/jere.v17.2025.2930.