Lusianto Lusianto, Zaenal Arifin Hasibuan, Sri Supatmi, & Adnan Shahid Khan. (2026). Predicting Multi-Morbidity Progression and Identifying Key Determinants in Chronic Disease Patients Using a Longitudinal Data-Driven Information Systems Approach: A Research Protocol for a Cohort Study in Bandung Regency, Indonesia. Indonesian Journal of Infomatics, 1(2), 01–12. https://doi.org/10.66472/iji.v1i2.388