Utami, I.L.P. and Widiastuti, I.A.M.S. 2025. Developing A 4C-Based English Supplementary Material: A Balinese Tourism Vocational School Context. Journal of English Education and Teaching. 9, 1 (Mar. 2025), 40–60. DOI:https://doi.org/10.33369/jeet.9.1.40 - 60.