WAHDANIAR, Wahdaniar et al. THE EFFECTIVENESS OF WORDWALL APPLICATION IN ENGLISH LEARNING AT FIFTH GRADE SDN 4 BALANGNIPA. LEAD (Language, Education and Development), [S.l.], v. 4, n. 1, p. 16 - 35, june 2025. ISSN 2827-976X. Available at: <https://jos.unsoed.ac.id/index.php/lead/article/view/15977>. Date accessed: 30 june 2025. doi: https://doi.org/10.20884/1.lead.2025.4.1.15977.