Nursabillah, S. et al. 2026. Morphological Challenges in English Inflection Morphemes Acquisition among Indonesian EFL Learner: A Descriptive Quantitative Analysis. FOSTER: Journal of English Language Teaching. 7, 4 (Nov. 2026), 1427–1443. DOI:https://doi.org/10.24256/foster-jelt.v7i4.514.