Agustini, Irma, and Yunita Agnes Sianipar. “Improving Students™ Vocabulary Achievement Through Word Webbing Technique”. TRANSFORM : Journal of English Language Teaching and Learning 2, no. 1 (October 30, 2013). Accessed July 4, 2025. https://jurnal.unimed.ac.id/2012/index.php/jelt/article/view/901.