Mohd Jamaludin, S.Z., Majahar Ali, M.K., Shiung, E.W.V., Ismail, M.T., Ibrahim, N.F. and Zamri, N.E. 2026. INTEGRATING STRUCTURED AND UNSTRUCTURED FEATURES FOR E-TICKETING CLASSIFICATION: A MACHINE LEARNING AND ENSEMBLE-BASED APPROACH. BAREKENG: Jurnal Ilmu Matematika dan Terapan. 20, 4 (Aug. 2026), 2839-2850. DOI:https://doi.org/10.30598/barekengvol20iss4pp2839-2850.