Purba, Christian Neni, and Herman. 2020. “AN ANALYSIS OF STUDENTS’ DIFFICULTIES IN USING ENGLISH INTONATION AT GRADE EIGHT OF SMP NEGERI 2 PEMATANGSIANTAR”. Wiralodra English Journal (WEJ) 4 (1):50-64. https://doi.org/10.31943/wej.v4i1.76.