Gaspersz, S., and L. Uktolseja. “The Use of Serial Picture Media to Improve English Speaking Ability at SMP YPK Syaloom Klademak Sorong City”. INTERACTION: Jurnal Pendidikan Bahasa, Vol. 7, no. 2, Oct. 2020, pp. 36-45, doi:10.36232/jurnalpendidikanbahasa.v7i2.589.