JUMIATI, S., & DEWI, N. R. (2023). DEVELOPING TEACHING MEDIA THROUGH POWTOON AS œTPACK (TECHNOLOGICAL PEDAGOGICAL CONTENT KNOWLEDGE) FOR SPEAKING SKILL AT GRADE 8 STUDENTS OF SMPN 2 BANGUN PURBA. LINGUISTICA, 12(1), 51–57. https://doi.org/10.24114/jalu.v11i4.43168