Wahyuni S, Indriastuti NR, Mustikawati DA. THE IMPLEMENTATION OF PICTURE SERIES TO IMPROVE STUDENTS SPEAKING ABILITY AT THE SECOND GRADE OF SMP MUHAMMADIYAH 3 JETIS PONOROGO IN ACADEMIK YEAR 2016/2017. ED [Internet]. 2018 Sep. 27 [cited 2026 Apr. 18];2(2):148-60. Available from: https://studentjournal.umpo.ac.id/index.php/edupedia/article/view/147