PRELIMINARY MATHEMATICAL MODEL FOR CANCER TREATMENT USING BORON NEUTRON CANCER THERAPY (BNCT) - Trihandaru, Suryasatriya; Parhusip, Hanna Arini; Sardjono, Yohannes; Triatmoko, Isman Mulyadi; Wijaya, Gede Sutresna; Labadin, Jane (BAREKENG: Jurnal Ilmu Matematika dan Terapan, 2026)