[1]
F. Umasangadji, A. Setiawan, B. Widjanarko Otok, and C. Wou Onn, “Ship Age Clusters Do Not Predict Accident Severity: A Hybrid Multivariate Clustering–Logistic Model under Spatial Interaction Effects in Global Maritime”, GIJLSS, vol. 4, no. 5, pp. 1940–1956, Nov. 2026.