MODEL HYBRID MARS ARIMA FOR TRIBAL-BASED MALARIA PREDICTION IN TANAH BUMBU DISTRICT, SOUTH KALIMANTAN - Khair, Abdul; Widjanarko Otok, Bambang; Noraida, Noraida; Dwi Mulyanto, Angga; Cahyaning Astuti, Cindy (BAREKENG: Jurnal Ilmu Matematika dan Terapan, 2026)