Purba, J., Rumapea, L., & Sembiring, N. (2020). IMPROVING STUDENTS’ SPEAKING ACHIEVEMENT THROUGH THE APPLICATION OF SMALL GROUP DISCUSSION METHOD TO THE EIGHTH GRADE STUDENTS OF SMP NEGERI 21 MEDAN. Kairos English Language Teaching Journal, 2(3), 188–198. https://doi.org/10.54367/kairos.v2i3.736