Mariana Mariana and Ari Purnawan 2026. Improving Students’ Vocabulary Mastery Through Digital Mind Mapping for Twelfth-Grade Students of SMA Negeri 1 Tanjung Palas. International Journal of Educational Development. 3, 3 (Jul. 2026), 22–35. DOI:https://doi.org/10.61132/ijed.v3i3.489.