Purwanto, Y. S., Gernowo, R., & Nugraheni, D. M. K. (2026). ACTE: A Pilot Feasibility Evaluation of a Mastery-Aware Task Recommender for Mobile Language Learning in Real-World Contexts. Journal of Information Systems and Informatics, 8(2), 1640-1671. https://doi.org/10.63158/journalisi.v8i2.1554