Wahyuni, Sri, Niken Reti Indriastuti, and Dyah Atiek Mustikawati. “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”. EDUPEDIA 2, no. 2 (September 27, 2018): 148–160. Accessed April 18, 2026. https://studentjournal.umpo.ac.id/index.php/edupedia/article/view/147.