Simanjuntak, O., and D. Simanjuntak. “Students’ Vocabulary Knowledge: Comparative Study Enhancing Between Semantic Mapping and Diglot Weave Techniques”. Acuity: Journal of English Language Pedagogy, Literature and Culture, Vol. 3, no. 2, Aug. 2018, pp. 85-97, doi:10.35974/acuity.v3i2.671.