Optimizing the Classification of Brain Tumors Using Ensemble Learning and Gradient-weighted Class Activation Mapping on Multi-section Magnetic Resonance Imaging Images. - Diyasa, I. Gede Susrama Mas; Alhamda, Denisa Septalian; Sukri, Hanifudin; Rusdi, Muhammad Salsabeela; Dewi, Deshinta Arrova; Sastrian, Hana Titania; Humairah, Sayyidah; Kraugusteeliana, Kraugusteeliana (International Journal of Technology, 2026)