Eko Firman Susilo et al. 2026. Feasibility and Preliminary Vocabulary Learning Outcomes of a Thematic Digital Visual Dictionary for Mandailing, Indonesian Based on Local Wisdom. INTERACTION: Jurnal Pendidikan Bahasa. 13, 3 (Sep. 2026), 737–754. DOI:https://doi.org/10.36232/interactionjournal.v13i3.6429.