Umasangadji F, Setiawan A, Widjanarko Otok B, Wou Onn C. Ship Age Clusters Do Not Predict Accident Severity: A Hybrid Multivariate Clustering–Logistic Model under Spatial Interaction Effects in Global Maritime. GIJLSS [Internet]. 2026 Nov. 9 [cited 2026 Nov. 9];4(5):1940-56. Available from: https://research.e-greenation.org/GIJLSS/article/view/993