APPLICATION OF UNCERTAIN MAX PLUS LINEAR FOR SHIP SCHEDULE SAFETY ANALYSIS: A CASE STUDY OF KM. LAMBELU - Adhalia H, Nurul Fuady; Rafrin, Mardhiyyah; Pratama, Aditya Putra; Tungga, Rifaldy Atlant; Bayu, Bayu; Tahir, Syahrul Ramadhan (BAREKENG: Jurnal Ilmu Matematika dan Terapan, 2026)