“Improving the Vocabulary Mastery in ELT Context: Mapping Words Technique for Vocational Students”. Utamax : Journal of Ultimate Research and Trends in Education 1, no. 3 (November 28, 2019): 98–104. Accessed December 1, 2025. https://journal.unilak.ac.id/index.php/UTAMAX/article/view/6307.