Maratussholihah, M., Lisan, K.H. and Hikmah, H. 2026. Developing English language material integrated with Duolingo App for young learners in UNU Yogyakarta English Club Program. Journal of General Education and Humanities. 5, 1 (Feb. 2026), 1469–1486. DOI:https://doi.org/10.58421/gehu.v5i1.937.