Simanjuntak, Olivia, and Debora Simanjuntak. “Students’ Vocabulary Knowledge: Comparative Study Enhancing Between Semantic Mapping and Diglot Weave Techniques”. Acuity: Journal of English Language Pedagogy, Literature and Culture 3, no. 2 (August 1, 2018): 85-97. Accessed August 12, 2020. https://jurnal.unai.edu/index.php/acuity/article/view/671.