Gaspersz, Sherly, and Lulu Jola Uktolseja. 2020. “The Use of Serial Picture Media to Improve English Speaking Ability at SMP YPK Syaloom Klademak Sorong City”. INTERACTION: Jurnal Pendidikan Bahasa 7 (2):36-45. https://e-journal.unimudasorong.ac.id/index.php/interactionjournal/article/view/2559.