Suharsono, N., Sufi, L. and Hidayat, R. 2023. DEVELOPMENT OF E-MODULES ASSISTED BY FLIPBOOK APPLICATIONS IN MARKETING SUBJECTS IN VOCATIONAL SCHOOLS. International Education Trend Issues. 1, 2 (Aug. 2023), 196 - 209. DOI:https://doi.org/10.56442/ieti.v1i3.224.